MC1472598 — Microsoft 365: Find more actions in the suite header menu2026-09-15
Exchange Onlinebothmedium
Microsoft 365 is moving some suite header actions, including Settings, My Day, and Sync, into the More (...) menu to reduce clutter and improve discoverability. The change, rolling out from September to November 2026, requires no admin action but may need user communication and documentation updates.
User impact: Some suite header actions will move to the More (...) menu. Settings and My Day remain available there, Sync is added, and no functionality is removed.
Admin action: No configuration is required. Inform support teams and affected users, and update documentation or training that references the previous action locations.
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Last modified: 2026-09-15
MC1472591 — Enhanced security and access controls for Outlook attachments2026-09-15
Exchange Onlineadminsmedium
Outlook attachments now have enhanced security with a separate application configuration enforcing existing Conditional Access policies from Exchange and Office apps. Non-compliant users are blocked from attachment actions. No new policies are needed. Continuous Access Evaluation and user sign-in prompts will be added later. Review policies and update support documentation.
User impact: Users who do not satisfy existing Conditional Access policies will be blocked from downloading, previewing, or uploading classic Outlook attachments, including inline images.
Admin action: Review the scope of Conditional Access policies applied to Exchange and Office, confirm the same conditions are appropriate for attachments, and update help desk guidance for attachment access failures.
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Last modified: 2026-09-15
MC1458470 — Simplified Copilot experience in Microsoft Outlook2026-09-15
Exchange Onlineusersmedium
Microsoft Outlook's Copilot experience will be refreshed by September 2026 with a simplified, chat-centered design in both full-page and side pane views. Enhancements include improved navigation, chat layout, agent interaction, and Work IQ controls. No user or admin action is needed; administrators should update related documentation and inform users.
User impact: Outlook will show a simplified, chat-centered Copilot design in full-page and side pane experiences. Full-screen Copilot also adds a Tasks view for long-running agent activity and scheduled chats.
Admin action: No configuration is required. Inform users and update internal documentation, training, screenshots, and support guidance for the refreshed navigation and Work IQ experience.
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Last modified: 2026-09-15
MC1458472 — Simplified Copilot experience in Microsoft Teams2026-09-15
Microsoft Teamsusersmedium
Microsoft Teams' Copilot experience is updated with a simplified, chat-centered design available in full-page and side pane views starting September 2026. Enhancements include easier navigation, improved chat layout, Work IQ controls, and a new Tasks view in full-screen mode. No user or admin action is needed.
User impact: Teams will show a simplified, chat-centered Copilot design in full-page and side pane experiences. Full-screen Copilot also adds a Tasks view for long-running agent activity and scheduled chats.
Admin action: No configuration is required. Inform users and update internal documentation, training, screenshots, and support guidance for the refreshed navigation and Work IQ experience.
Act by: —
Last modified: 2026-09-15
MC1469957 — [Whiteboard] Legacy Whiteboard migration to OneDrive2026-09-15
OneDriveMicrosoft TeamsMicrosoft 365 appsbothhighAct by September 25, 2026
Updated September 15, 2026: This message does not apply to Government customers. We apologize for the confusion, and you can safely disregard this message. Microsoft Whiteboard is migrating from legacy Azure-based storage to OneDrive-backed storage. Migration must be completed by September 25, 2026; afterward, legacy Whiteboards become read-only and are deleted by October 16, 2026. Admins should inventory, notify users, and ensure migration before these deadlines.
User impact: This message does not apply to Government customers. For affected commercial organizations, legacy Whiteboards become read-only after September 25, 2026 and are permanently deleted after October 16, 2026.
Admin action: Inventory and migrate remaining legacy Whiteboards, notify affected owners, and validate migration before September 25, 2026. Preserve critical content before the October 16 deletion deadline.
Act by: September 25, 2026
Last modified: 2026-09-15
MC1446799 — Microsoft Teams: Multilingual meeting recaps support personalized recap translation2026-09-15
Microsoft Teamsbothmedium
Microsoft Teams meeting recaps will now personalize recap translations based on each participant's selected language during the meeting. Users can view recaps initially in their chosen language and switch to other supported languages. The rollout begins August 2026 with no admin action required.
User impact: Meeting recaps will initially appear in each participant's selected translation or interpretation language. Users can switch the recap to another supported language without changing the source transcript or recording.
Admin action: No action is required. Inform support teams and users, update meeting recap guidance, verify eligible users have required licenses, and review related transcription, caption, Interpreter, and recap policies.
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Last modified: 2026-09-15
MC1443517 — Microsoft Teams: External presenters can manage event production controls2026-09-15
Microsoft Teamsbothmedium
Microsoft Teams will allow event organizers to grant production control to trusted external presenters, including federated (B2B) and guest users, enabling them to manage event production. This feature rolls out from early August to early October 2026, requiring no admin action but recommends updating policies and training.
User impact: Event organizers can explicitly grant trusted federated or guest presenters production control so they can manage what attendees see during Teams events.
Admin action: No action is required before rollout. Review governance for events with external participants, identify trusted external producers, and update organizer training and documentation.
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Last modified: 2026-09-15
MC1472429 — Support for Office LTSC 2021, and additional apps will end on October 13, 20262026-09-15
Microsoft 365 suitebothhighAct by October 13, 2026
Support for Office LTSC 2021 and related apps ends October 13, 2026, with no further updates or support. Users should upgrade to Microsoft 365 Apps or Office LTSC 2024 to maintain security, compliance, and performance before that date.
User impact: Office LTSC 2021, Visio LTSC 2021, Project LTSC 2021, and related products will receive no security updates, fixes, or technical support after October 13, 2026.
Admin action: Upgrade affected devices to a supported Microsoft 365 or Office 365 suite with Microsoft 365 Apps, or use Office LTSC 2024 where a disconnected solution is required.
Act by: October 13, 2026
Last modified: 2026-09-15
MC1461153 — Microsoft Teams: Add multiple steps when building a workflow from scratch2026-09-15
Microsoft Teamsusersmedium
Microsoft Teams Workflows will soon support multiple actions in a single workflow, enabling richer automations that reduce manual tasks, consolidate processes, and improve productivity. The rollout starts early September 2026, requiring no admin action, and offers a simpler, step-based workflow design for users.
User impact: Teams Workflows users can add multiple sequential actions after one trigger, allowing complete business processes to be automated and managed as one workflow.
Admin action: No action is required. Consider informing users and updating internal guidance or training for creating multi-step workflows in Microsoft Teams.
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Last modified: 2026-09-15
MC1462471 — Microsoft SharePoint : Dashboard Card Visibility on Mobile2026-09-15
SharePoint OnlineMicrosoft Vivabothmedium
Microsoft SharePoint now allows dashboard authors to control individual card visibility on mobile devices, enhancing mobile user experience. The rollout begins mid-September 2026 and completes by month-end. No action is required, but authors are encouraged to optimize dashboards for mobile users. Existing settings remain unchanged.
User impact: Dashboard authors can choose whether individual cards appear on mobile devices. Existing dashboard configurations remain unchanged until an author updates them.
Admin action: No action is required. Inform dashboard authors so they can review and optimize dashboard card visibility for mobile users.
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Last modified: 2026-09-15
MC1314949 — Microsoft Viva Copilot Analytics: Daily Copilot usage snapshot with fresh data2026-09-15
Microsoft Vivabothlow
Microsoft Viva Insights now offers a daily updated Power BI report, "Microsoft 365 Copilot latest usage snapshot," showing up to three months of Copilot usage for analysts with the Insights Analyst role. It requires at least 50 Copilot licenses, supports advanced filtering, and rolled out globally by early September 2026.
User impact: Eligible Viva Insights analysts can use a daily updated Power BI report and query with up to three months of Copilot activity, advanced filtering, and export options.
Admin action: No action is required if prerequisites are met. Confirm Insights Analyst roles, required Copilot and Viva licenses, at least 50 Copilot licenses in the organization, and a current Power BI Desktop version.
Microsoft 365 Copilot now includes Cowork adoption and impact insights in the Consumption dashboard and Viva Insights Advanced Insights. Available worldwide, these insights help leaders, managers, and analysts track usage, work outcomes, and optimize investments. Enabled by default for eligible roles with no immediate action required.
User impact: Cowork adoption and impact insights will be enabled by default for all eligible roles. Users can find the experience on the Microsoft 365 services tab in the Consumption dashboard. In the Credit usage breakdown by service section, select Deep dive next to Cowork.
Admin action: No immediate action is required. Review whether Cowork adoption and impact insights should remain enabled, as this feature is on by default. If needed, disable access using the Copilot dashboard VFAM control in Copilot dashboard settings.
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Last modified: 2026-09-14
MC1472028 — Outlook: Change the organizer of meetings2026-09-14
Exchange OnlineMicrosoft 365 suitebothmedium
Microsoft is introducing a feature to change the organizer of eligible Outlook meetings, allowing transfer of meeting ownership within an organization. Phase 1 (late 2026) supports non-online meetings; later phases will add online and Teams meetings. The new organizer must accept the transfer, preserving meeting content and attendee settings.
User impact: The current organizer can select one person in the same organization or tenant and send an organizer change request. The meeting remains with the current organizer until the selected person accepts.
Admin action: No administrative action is required. Review meeting ownership processes for role changes, leave, and offboarding. Inform help desk teams that Phase 1 supports only eligible non-online meetings.
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Last modified: 2026-09-14
MC1472025 — Microsoft SharePoint: PowerShell support for brand fonts deletion2026-09-14
SharePoint Onlinebothmedium
Microsoft SharePoint will introduce the Remove-SPOFontFile PowerShell cmdlet by mid-October 2026, allowing admins to delete brand fonts across geographies. Deleted fonts fallback to Microsoft-defined fonts on sites, while font packages remain with warnings. This requires Public CDN enabled and PowerShell module updates.
User impact: When a deleted font is referenced by existing SharePoint sites or pages, the content will continue to be rendered using a Microsoft-defined fallback font. Font packages that reference deleted fonts are not automatically deleted. They remain available for use, but a warning message is displayed when required fonts are unavailable.
Admin action: Review the official documentation for PowerShell branding governance: Remove-SPOFontFile (Microsoft.Online.SharePoint.PowerShell) | Microsoft Learn Brand fonts - SharePoint in Microsoft 365 | Microsoft Learn. After rollout is complete, upgrade your PowerShell module to the required version before using these new features.
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Last modified: 2026-09-14
MC1472023 — [Outlook Mobile] Purview Data Loss Prevention support for Calendar Events2026-09-14
Exchange OnlineMicrosoft Purviewbothmedium
Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention for calendar events, helping prevent sensitive data sharing in meeting details. Rolling out worldwide in late September 2026, this feature requires no admin action and extends existing DLP policies to calendar content for improved compliance.
User impact: Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention \(DLP\) policies for calendar events. Organizations can detect and help prevent the sharing of sensitive information in meeting subjects, descriptions, and invite content through policy tips, user remediation, and policy enforcement. This provides consistent compliance protection across email and calendar experiences on mobile devices.
Admin action: No administrator action is required to prepare for this feature. Existing Microsoft Purview Data Loss Prevention policies will automatically apply to supported calendar events in Outlook for iOS and Android. Organizations with DLP policies already configured can benefit from expanded protection of calendar content without additional policy creation or client configuration. Administrators may choose to review existing DLP policies to ensure they align with their organization's compliance requirements.
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Last modified: 2026-09-14
MC1472022 — [Outlook Mac] Purview Data Loss Prevention support for Calendar Events2026-09-14
Exchange OnlineMicrosoft Purviewbothmedium
Outlook for Mac will support Microsoft Purview Data Loss Prevention for calendar events, detecting sensitive info in meeting details to prevent data leaks. Rolling out in late September 2026, it requires no admin action and extends existing DLP policies to calendar content for improved compliance.
User impact: Outlook for Mac will support Microsoft Purview Data Loss Prevention \(DLP\) policies for calendar events. Organizations can detect and help prevent the sharing of sensitive information in meeting subjects, descriptions, and invite content through policy tips, user remediation, and policy enforcement. This provides consistent compliance protection across email and calendar experiences on Mac devices.
Admin action: No administrator action is required to prepare for this feature. Existing Microsoft Purview Data Loss Prevention policies will automatically apply to supported calendar events in Outlook for Mac. Organizations with DLP policies already configured can benefit from expanded protection of calendar content without additional policy creation or client configuration. Administrators may choose to review existing DLP policies to ensure they align with their organization's compliance requirements.
Outlook for iOS and Android will support Microsoft Purview DLP wait-on-send policies, allowing organizations to require and configure a wait time for DLP evaluation before sending emails. This enhances sensitive data protection and policy enforcement, with rollout starting and completing in late September 2026.
User impact: Outlook for iOS and Android will support Microsoft Purview Data Loss Prevention \(DLP\) wait\-on\-send policies. Organizations can require a DLP evaluation before an email is sent and configure how long users must wait for policy evaluation to complete. This helps ensure sensitive information is inspected against organizational policies before messages leave the organization while providing administrators with flexible control over the user experience.
Admin action: Administrators can review their existing Microsoft Purview Data Loss Prevention policies and determine whether wait-on-send enforcement is appropriate for their organization. To take advantage of this feature, administrators may enable and configure the desired wait period within supported DLP policies. No changes are required for organizations that do not plan to use wait-on-send enforcement.
Outlook for Mac will support Microsoft Purview DLP wait-on-send policies, requiring email evaluation before sending to protect sensitive data. Rolling out in late September 2026, this feature lets administrators set wait times for policy checks, enhancing compliance and security while balancing user productivity.
User impact: Outlook for Mac will support Microsoft Purview Data Loss Prevention \(DLP\) wait\-on\-send policies. Organizations can require a DLP evaluation before an email is sent and configure how long users must wait for policy evaluation to complete. This helps ensure sensitive information is inspected against organizational policies before messages leave the organization while providing administrators with flexible control over the user experience.
Admin action: Administrators can review their existing Microsoft Purview Data Loss Prevention policies and determine whether wait-on-send enforcement is appropriate for their organization. To take advantage of this feature, administrators may enable and configure the desired wait period within supported DLP policies. No changes are required for organizations that do not plan to use wait-on-send enforcement.
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Last modified: 2026-09-14
MC1440972 — Microsoft Edge: Upgraded Copilot new tab page2026-09-14
Microsoft 365 suiteusersmedium
Microsoft Edge's upgraded Copilot new tab page integrates Microsoft 365 Copilot chat, web search, and work content into one experience with enhanced chat, compose features, suggested actions, and work cards. Rollout begins late September 2026, enabled via admin policy, requiring a Microsoft 365 Copilot license.
User impact: An updated search box for navigating to websites, searching the web, or sending a query to Microsoft 365 Copilot. Enhanced Copilot chat and compose capabilities.
Admin action: The Copilot new tab page is off by default. No admin action required before rollout as this change applies only to organizations that enabled the Copilot new tab page via CopilotNewTabPageEnabled. If your organization has enabled this policy, users will automatically see the upgraded Copilot new tab page. If the policy is not configured or is disabled, there is no change to your users' new tab page experience. Review your current Microsoft Edge and Copilot new tab page configuration. Determine which users or Microsoft Entra groups should receive the experience.
Act by: —
Last modified: 2026-09-14
MC1093912 — Microsoft Outlook for iOS/Android: Improved Contacts with profile enrichment and duplicate management2026-09-14
Exchange OnlineMicrosoft 365 appsbothmedium
Microsoft Outlook Mobile (iOS/Android) will unify duplicate contacts and enrich profiles with organizational info, improving contact views. Rollout starts mid-July 2025 and completes by mid-November 2026, with no admin action needed. Users should update to the latest app version after rollout.
User impact: Microsoft Outlook Mobile (iOS/Android) will unify duplicate contacts and enrich profiles with organizational info, improving contact views. Rollout starts mid-July 2025 and completes by mid-November 2026, with no admin action needed. Users should update to the latest app version after rollout.
Admin action: This rollout will happen automatically by the specified dates with no admin action required before the rollout. You may want to notify your users about this change and update internal documentation. After the feature is rolled out, please ensure that users have updated to the latest version of Outlook for iOS or Outlook for Android. Learn more: Manage Outlook contacts in your organization - Microsoft Support.
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Last modified: 2026-09-14
MC1269210 — Classic Outlook: Retirement of people card expanded view2026-09-14
Microsoft 365 appsuserslow
Microsoft has decided not to move forward with the planned retirement of the people card expanded view in Classic Outlook. The expanded view remains available, and no change to the contact card experience will occur at this time.
User impact: Users who use Classic Outlook can continue accessing the people card expanded view, including local time, org chart "Works with" details, and the change picture entry point, with no loss of functionality.
Admin action: No admin action is required. This is an update to a previously announced change that will no longer take effect; no user communication or documentation changes are needed.
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Last modified: 2026-09-14
MC1420901 — Notebooks in the M365 Copilot App2026-09-14
Microsoft 365 appsbothmedium
Microsoft 365 Copilot app will introduce updated Notebooks by late September 2026, syncing with OneNote to organize chats, content, and references in a persistent workspace. Users with a Copilot license can access and continue work across both apps without changes to existing data or OneNote Notebooks. No admin action required.
User impact: Users with a Microsoft 365 Copilot license will see Notebooks in the Microsoft 365 Copilot app. The existing Copilot Notebooks entry point and existing Notebook data remain in place.
Admin action: No admin action is required. Inform helpdesk and support teams that licensed users may see Notebooks in the Microsoft 365 Copilot app beginning in late August 2026. Update internal user guidance if your organization documents Microsoft 365 Copilot or OneNote Notebooks experiences.
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Last modified: 2026-09-14
MC1282567 — Create charts on pages with AI in SharePoint2026-09-14
SharePoint Onlineadminsmedium
SharePoint will introduce an AI-assisted Charts web part by mid-2026, enabling page authors with a Microsoft 365 Copilot license to create and edit interactive charts using plain-language prompts. The feature is enabled by default, requires no action to prepare, and maintains existing permissions and policies.
User impact: While editing a SharePoint page, a Chart web part can be added in one of the following ways: Open the AI agent chat pane from the Agents coin icon in the upper-right navigation or the AI sparkle icon on the page toolbar. Open the web part toolbox, search for Chart under the AI category, and add it to the page (this automatically opens the chat pane). Screenshot 1: Entry point if adding a chart from the web part toolbox:. Describe the chart to create using plain language, such as the data to visualize and the chart type. Relevant files can be attached to provide additional context.
Admin action: No action is required. Optionally inform SharePoint authors of the new capability. Update internal documentation if you provide SharePoint or Copilot guidance.
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Last modified: 2026-09-14
MC1470901 — Microsoft Teams: Enhanced real-time alerting rule management in the Teams admin center2026-09-12
Microsoft Teamsadminslow
Microsoft Teams will enhance Real-Time Alerting rule management in the Teams admin center by enabling rule duplication, bulk user uploads, and direct rule deletion. Administrators can monitor up to 500 users for In-Progress Meetings and Calls. These features roll out worldwide starting late September 2026, enabled by default.
User impact: Administrators can duplicate existing Real-Time Alerting rules. Administrators can bulk upload users while creating or editing supported rules.
Admin action: No action is required. Review existing Real-Time Alerting management processes. Evaluate whether rule duplication and bulk user upload capabilities can simplify current administrative workflows.
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Last modified: 2026-09-12
MC1470887 — Microsoft Teams: Personal message reminders for chat and channels2026-09-11
Microsoft Teamsbothmedium
Microsoft Teams will introduce personal message reminders for chat and channel messages in October 2026. Users can set, manage, and receive notifications for reminders privately, improving follow-up and organization. The feature is enabled by default, requires no admin setup, and applies to all Teams users across platforms.
User impact: Users will be able to set reminders on chat and channel messages. Users can create, update, complete, and delete reminders.
Admin action: No action is required. Inform users about this new capability. Update internal training materials or documentation.
Act by: —
Last modified: 2026-09-11
MC1470885 — M365 Copilot: Tell Copilot what you need directly from the Copilot button in Word, Excel, and PowerPoint2026-09-11
Microsoft 365 appsMicrosoft 365 Copilot Chatbothmedium
Microsoft 365 Copilot adds a new prompt input directly on the Copilot button in Word, Excel, and PowerPoint for faster, contextual content creation. Rolling out worldwide from September to December 2026 on Windows, macOS, and web, it requires no admin action but updates to training and documentation.
User impact: Users will see a new prompt input attached to the Copilot button. Users can type or dictate prompts without opening the Copilot pane.
Admin action: No admin action is required. Update user training and adoption materials. Update help desk documentation.
Act by: —
Last modified: 2026-09-11
MC1470883 — Microsoft Outlook for iPad: Minimize email drafts and return to them later2026-09-11
Exchange Onlineusersmedium
Outlook for iPad will allow users to compose emails in a separate window and minimize drafts to return later, enhancing multitasking. This feature rolls out worldwide from mid-September to mid-October 2026, with behavior depending on iPadOS multitasking settings. No admin action is needed.
User impact: Users can compose emails in a separate window. The iPadOS system-provided minimize control can be used to minimize an email draft.
Admin action: No administrative action is required. We recommend informing your help desk and support teams that the experience for compose windowing and returning to in-progress drafts varies based on users' iPadOS multitasking settings.
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Last modified: 2026-09-11
MC1458480 — Microsoft Edge: Security Update Alerts in the Edge management service2026-09-11
Microsoft 365 suiteadminslow
Microsoft Edge admins can now choose a severity threshold and receive alerts only when a new Edge update includes security fixes meeting or exceeding that threshold, including zero-day fixes. This helps organizations focus on updates that need attention while avoiding notifications for routine releases. Rollout completes worldwide by end of September 2026.
User impact: No direct impact on end users; this change affects the Edge update notification experience for administrators only.
Admin action: No admin action is required before the rollout. By default the existing behavior of notifying admins of all new Edge updates remains, but admins can now choose to receive notifications only for updates meeting a chosen security severity threshold.
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Last modified: 2026-09-11
MC1454996 — Copilot Chat can float over your Outlook iPad and Mac window2026-09-11
Exchange Onlinebothlow
Copilot Chat in Outlook for Mac and iPad can now pop out into a floating window, allowing users to resize, reposition, and manage it separately from the main Outlook window. The rollout starts late August 2026 and completes by mid-October 2026, with no action required.
User impact: We are introducing the ability to pop out Copilot Chat into a separate floating window in Outlook for Mac and iPad. This enhancement gives users greater flexibility when working with Copilot Chat alongside Outlook, making it easier to switch contexts, manage email, and access Outlook controls while keeping Copilot Chat visible.
Admin action: No action is required. You may want to notify your users about this updated Copilot Chat experience and update any internal training or documentation as appropriate.
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Last modified: 2026-09-11
MC1411432 — Viva Engage: New post creation experience2026-09-11
Microsoft Vivauserslow
Microsoft Viva Engage is updating the post creation experience with a simpler, more intuitive layout that makes it easier to create and publish posts, with clearer tool organization and improved accessibility. Rollout runs worldwide from mid-July through mid-October 2026, enabled by default with no admin configuration required.
User impact: Users who create posts in Viva Engage will see a refreshed post creation layout with a simplified toolbar and clearer organization of tools, while existing post creation capabilities remain the same.
Admin action: No admin action is required. Consider informing users about the updated post creation experience and refreshing internal training or help desk materials that reference the current layout.
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Last modified: 2026-09-11
MC1413304 — Viva Engage: New Recent feed in Home2026-09-11
Microsoft Vivabothmedium
Microsoft Viva Engage introduces a new Recent feed in Home for a chronological view of content from followed communities, people, and priority communications, complementing the existing personalized For you feed. It rolls out worldwide from mid-August to early October 2026 with no admin action required.
User impact: A new Recent feed option will appear in Home. The default For you feed remains unchanged. Users can switch between For you and Recent views.
Admin action: No admin action is required. Review internal Viva Engage adoption materials. Inform communications teams about the new feed experience.
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Last modified: 2026-09-11
MC1455014 — Microsoft Teams: Teams Events Attendance and Engagement Report Policy2026-09-11
Microsoft Teamsbothmedium
Microsoft is introducing a new policy separating Teams Events attendance and engagement report controls from Teams Meetings, managed via CsTeamsEventsPolicy. Rollout starts November 2026. Administrators can independently configure report access with four policy options. Review and update settings and documentation accordingly after rollout.
User impact: This update provides greater administrative flexibility by allowing separate configuration of attendance and engagement reporting for Teams Events and Teams Meetings.
Admin action: No immediate action is required before rollout. However, we recommend reviewing and validating policy settings after the feature becomes available to ensure Teams Events reporting behavior aligns with your organization's requirements. Review your current attendance and engagement reporting requirements for Teams Events. Configure the appropriate setting in the new Teams Events attendance and engagement report policy based on your organizational needs.
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Last modified: 2026-09-11
MC1469960 — Microsoft Exchange Online: Review and configure EWSAllowedAppIDs before Exchange Web Services access changes2026-09-11
Exchange OnlineadminshighAct by October 1, 2026
Microsoft is updating how EWSAllowedAppIDs is applied in Exchange Online as part of EWS retirement starting October 1, 2026. Organizations using EWS must review and configure their EWSAllowedAppIDs list to avoid service disruption. Microsoft may generate a list if none exists but won’t overwrite tenant-configured lists.
User impact: EWS will require a configured EWSAllowedAppIDs list when EWSEnabled is set to True. Before enabling the change, Microsoft will ensure that tenants with EWSEnabled already set to True have an EWSAllowedAppIDs list.
Admin action: If your organization still relies on EWS, we recommend taking the following actions as soon as possible:. Review EWS usage from the previous 60 days and identify all applications that require continued EWS access, including applications with infrequent usage patterns. Configure and validate your EWSAllowedAppIDs list before the rollout reaches your cloud.
Act by: October 1, 2026
Last modified: 2026-09-11
MC1470425 — Microsoft Copilot Cost Management: September Updates2026-09-10
Microsoft 365 Copilot Chatbothmedium
September 2026 updates to Microsoft Copilot Cost Management introduce auto-application of new services to spending policies, user spending alerts, expanded and enhanced consumption reporting, custom approval workflows, and improved policy health guidance. Admins should review policies, configure notifications, and familiarize with new reporting features.
User impact: We're rolling out several enhancements to Cost Management and Copilot Credits governance to simplify policy administration, improve consumption visibility, and provide more flexible spending controls.
Admin action: Review spending policies and Auto-apply settings. Configure user threshold notifications.
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Last modified: 2026-09-10
MC1470424 — Microsoft Viva Engage: New left navigation controls for collapsing, resizing, and managing favorites2026-09-10
Microsoft Vivabothmedium
Microsoft Viva Engage now offers enhanced left navigation controls: users can collapse, resize the pane, favorite unlimited communities, and reorder favorites. These changes improve customization and efficiency, apply across web, Teams, and Outlook, require no admin action, and are available worldwide.
User impact: Collapse the left navigation pane. Resize the width of the left navigation pane.
Admin action: No admin action is required. Inform support and helpdesk teams about the updated navigation experience. Notify community managers and power users who work with large numbers of communities that the favorites limit has been removed.
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Last modified: 2026-09-10
MC1470417 — Microsoft 365 Copilot: Review PDFs using the Copilot context menu on OneDrive iOS2026-09-10
SharePoint OnlineOneDrivebothmedium
Microsoft 365 Copilot on OneDrive iOS lets users select text in PDFs to explain, summarize, translate, or ask custom questions via the Ask Copilot context menu. Rolling out late September to October 2026, it requires a Copilot license and is enabled by default where Copilot is available.
User impact: Microsoft 365 Copilot makes PDF reviews faster and easier on mobile. Select text in any PDF in OneDrive iOS and tap Ask Copilot to explain, summarize, translate, or ask a custom question about the selection — the same in-context Copilot experience already generally available on desktop, now on OneDrive iOS.
Admin action: No admin action is required. You may want to:. Review your Copilot license assignments for mobile users. Update user-facing training/help content to mention Ask Copilot in PDFs on OneDrive iOS.
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Last modified: 2026-09-10
MC1470416 — Microsoft OneDrive and SharePoint: Anchored comments in the PDF viewer2026-09-10
SharePoint OnlineOneDrivebothmedium
Microsoft is adding anchored comments to the PDF viewer in OneDrive and SharePoint on the web, enabling users to comment on specific spots or text, collaborate with replies and @mentions, with rollout from mid-October to mid-November 2026, on by default and requiring no admin action.
User impact: Microsoft is adding anchored comments to the PDF viewer in OneDrive and SharePoint on the web. Users can attach a comment to a specific spot on a page, or to selected text, and collaborate through replies and @mentions — bringing PDF review to parity with commenting in Office documents. This feature will be on by default and requires no admin action.
Admin action: No admin action is required before rollout. You may want to:. Inform your PDF users and helpdesk/support teams about the new commenting experience. Update internal collaboration guidance (commenting on a spot, text, or annotation; replies and @mentions; downloading with or without comments).
Act by: —
Last modified: 2026-09-10
MC1470415 — Microsoft 365 Copilot in PowerPoint: Guide Presentation Creation with Notes Steering and Strict Brand Adherence2026-09-10
Microsoft 365 appsbothmedium
Microsoft 365 Copilot in PowerPoint introduces Strict Brand Adherence and Notes Steering settings, enabling Brand Managers to ensure presentations strictly follow approved templates and embed guidance in speaker notes. These features enhance brand consistency, reduce manual edits, and require no user action but need Brand Manager configuration.
User impact: These settings can be used independently or together to help organizations generate more predictable, consistent, and brand-aligned presentations.
Admin action: No action is required to use these capabilities. However, organizations that want greater control over presentation generation should designate Brand Managers and ensure they have permissions to manage Brand Kits. Only Brand Kit owners and Brand Managers can configure template settings such as Strict Brand Adherence and Allow Note Instructions. To take advantage of these capabilities, Brand Managers can update existing Brand Kit templates or upload new templates configured with Notes Steering and Strict Mode settings.
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Last modified: 2026-09-10
MC1470410 — Microsoft Teams: QR code protection for messages from external users2026-09-10
Microsoft Teamsbothmedium
Microsoft Teams will blur QR code images from external users by default starting October 2026 to reduce phishing risks. Users can choose to reveal these images if trusted. No admin action is needed, but user education on QR code safety is recommended. This applies across all Teams platforms.
User impact: Images containing QR codes sent by external users will be blurred by default in Teams messages. Users can reveal the image if they trust the sender and want to view or scan the QR code.
Admin action: No admin action is required before rollout. Inform users that QR code images from external senders may appear blurred by default. Remind users to verify the sender before revealing or scanning QR codes.
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Last modified: 2026-09-10
MC1282683 — Create and edit SharePoint pages with Copilot-powered AI2026-09-10
SharePoint Onlinebothmedium
SharePoint page editors with a Microsoft 365 Copilot license can now use an AI-powered authoring panel to create and edit pages via natural language prompts, leveraging existing Microsoft 365 content. The feature, rolling out worldwide by September 2026, is enabled by default and allows switching between AI and manual editing.
User impact: Page editors with a Copilot license will see a new AI authoring panel automatically open when editing SharePoint pages:. Users can: Generate new page sections using natural language prompts: Edit existing text, layouts, and web parts through chat-based instructions. Attach Microsoft 365 files as grounding context for better AI-generated results:.
Admin action: No action is required to prepare for this change. Inform SharePoint page authors about the new AI-assisted editing experience. Update internal documentation or training materials if you provide guidance on SharePoint authoring.
Act by: —
Last modified: 2026-09-10
MC1466753 — Microsoft Word: Similarity Checker retirement2026-09-10
Microsoft 365 appsusershigh
Microsoft Word's Similarity Checker will be retired on October 3, 2027, and removed from Microsoft Editor. Other writing and editing features, including Microsoft 365 Copilot, remain unaffected. Organizations should review workflows, inform users, and consider alternatives if needed. No action or compliance issues are required.
User impact: Similarity Checker will be removed from Microsoft Word. After retirement, users will no longer be able to access Similarity Checker through the Editor experience in Word.
Admin action: No action is required. Review workflows that depend on Similarity Checker. Inform users who rely on the feature about the upcoming retirement.
Act by: —
Last modified: 2026-09-10
MC1469958 — Microsoft Purview: Auto-labeling scalability, policy management, and reporting enhancements2026-09-10
Microsoft 365 suiteMicrosoft Purviewbothmedium
Microsoft Purview Information Protection increases auto-labeling simulation capacity from 4 million to 20 million items, expands SharePoint site targeting, and enhances reporting with Sensitive Information Type summaries and processing charts. Rollout begins September 2026 with no end-user impact or required action.
User impact: Microsoft Purview Information Protection is enhancing auto-labeling policy management to help administrators deploy, validate, and monitor labeling policies across larger data estates. These updates increase policy scale limits, improve SharePoint targeting capabilities, and provide enhanced reporting and auditing insights to help organizations better understand policy effectiveness and processing activity.
Admin action: No action is required. Review existing auto-labeling policies that were previously constrained by simulation or scope limits. Evaluate whether additional SharePoint sites can now be included in current policy configurations.
Act by: —
Last modified: 2026-09-10
MC1459143 — Communicator app enters Public Preview2026-09-10
Microsoft Teamsbothlow
The Communicator app for Microsoft Teams, which would have supported targeted organizational announcements with acknowledgment tracking and reporting, will not proceed to Public Preview or General Availability at this time. The rollout has been paused indefinitely.
User impact: No impact to users at this time; the Communicator app for targeted announcements and acknowledgment tracking will not become available.
Admin action: No admin action is required. Previously planned steps to install or configure the Communicator app and its bot are no longer applicable while the rollout is paused.
Act by: —
Last modified: 2026-09-10
MC1290821 — eSignature for Microsoft 365 - Recipient groups2026-09-10
Microsoft 365 suiteSharePoint Onlinebothlow
Microsoft 365 eSignature introduces recipient groups, allowing up to 10 people per recipient slot, where the first signer completes the requirement. This reduces delays in signature workflows, is enabled by default, and rolls out from early September to late October 2026. No admin action needed.
User impact: This message is associated with Microsoft 365 Roadmap ID 560822.
Admin action: No specific admin action noted.
Act by: —
Last modified: 2026-09-10
MC1469962 — Change in sender email address for Copilot emails2026-09-09
Microsoft 365 suiteMicrosoft 365 Copilot Chatbothmedium
Microsoft is updating the sender email for Copilot-related educational and enablement emails to [email protected] by mid-September 2026. Organizations should update mail flow rules and safe sender lists accordingly. The email content remains unchanged, and no tenant action is required for rollout.
User impact: Users continue to receive transactional service-enablement emails when they are granted access to Microsoft Copilot capabilities. Sender address will be updated to Microsoft Copilot ([email protected]). Users continue to receive educational and product enablement emails. Sender address will be updated to Microsoft Copilot ([email protected]).
Admin action: Review mail flow rules, transport rules, safe sender configurations, and allow/block lists that reference [email protected]. Update those configurations to use [email protected].
Act by: —
Last modified: 2026-09-09
MC1469961 — Microsoft Viva Glint: Copilot features are no longer available for cross-tenant guest users2026-09-09
Microsoft Vivauserslow
Starting August 26, 2026, Microsoft Viva Glint's Copilot features will be unavailable to Microsoft Entra cross-tenant guest users due to underlying service limitations. Affected users will no longer see Copilot functionalities, but other Viva Glint features remain unchanged. No admin action or Copilot license assignment will restore access.
User impact: Copilot Highlights in Team Summary and Executive Summary reports. The Copilot button and chat panel used for comment summarization.
Admin action: No action is required. Review whether any Microsoft Entra guest users participate in your Viva Glint programs. Inform HR, people analytics, and survey program owners that affected guest users will no longer see Copilot features in Viva Glint.
Act by: —
Last modified: 2026-09-09
MC1466751 — Microsoft Teams: Lobby visibility will align with the "Who can admit from lobby" meeting option2026-09-09
Microsoft Teamsbothlow
Microsoft Teams is updating the meeting lobby experience so lobby visibility aligns with the Who can admit from lobby setting, meaning only participants permitted to admit others from the lobby will be able to see who is waiting there. This rollout begins worldwide (including GCC) in early September 2026 and is enabled automatically with no configuration required.
User impact: Presenters and attendees who could previously see the meeting lobby but are not permitted to admit participants will no longer be able to view who is waiting there; only organizers and co-organizers retain that visibility by default.
Admin action: No action is required. Consider informing meeting organizers who currently rely on presenters to monitor the lobby, and review any meeting workflows that depend on presenters having lobby visibility.
Act by: —
Last modified: 2026-09-09
MC1441784 — Microsoft Copilot for Outlook: New Copilot entry point in Classic Outlook2026-09-09
Exchange Onlineusersmedium
Microsoft is updating the Copilot entry point in Classic Outlook to a new location next to the ribbon, providing easier access and AI-powered contextual recommendations. The rollout begins late September 2026 worldwide, with no license or admin changes. No action is required, but communication and documentation updates are recommended.
User impact: The entry point for Copilot in classic Outlook will be updated and located next to the Outlook ribbon:. Users will continue to have access to the Copilot side pane.
Admin action: No action is required. Inform users that the Copilot entry point in classic Outlook is moving to a new location. Update any internal documentation or training materials that reference the current location of the Copilot button.
Act by: —
Last modified: 2026-09-09
MC1446797 — Microsoft Teams: Modernized Gallery view in Teams Rooms on Android2026-09-09
Microsoft Teamsadminsmedium
Microsoft Teams Rooms on Android will receive a modernized Gallery view starting mid-August 2026, aligning with Windows experience by improving participant visibility, consistent layouts, and meeting display controls. Admins can configure settings; no action is required before rollout. Audio participants will be deprioritized when video is prioritized.
User impact: Gallery view will prioritize video participants on the meeting stage by default:. Participant tiles will be displayed using more consistent aspect ratios, including 16:9, 4:3, and 1:1 layouts.
Admin action: No action is required before the rollout. Administrators can configure the default Gallery view behavior through local device settings and the Teams Rooms Pro Management portal. Communicate these visual changes to Teams Rooms users if your organization provides end-user training or adoption materials.
Act by: —
Last modified: 2026-09-09
MC1443518 — Microsoft Teams: Expanded presenter visibility in Manage what attendees see2026-09-09
Microsoft Teamsbothmedium
Microsoft Teams is enhancing presenter visibility in "Manage what attendees see" by allowing event organizers and producers to drag and resize the presenter panel, showing more presenters simultaneously. This improves monitoring, transitions, and management of large events, rolling out from mid-August to late September 2026. No admin action needed.
User impact: Users will be able to drag and resize the presenter panel in Manage what attendees see. The larger presenter panel can display more presenters at one time.
Admin action: No admin action is required. Inform event organizers and producers about the updated presenter management experience. Update internal training materials and event production guidance, if applicable.
Act by: —
Last modified: 2026-09-09
MC1462473 — Microsoft Teams: PowerPoint Live introduces light mode for presenters2026-09-09
Microsoft Teamsuserslow
PowerPoint Live in Microsoft Teams will add a light mode option alongside dark, classic, and high contrast modes for presenters starting September 2026. This update enhances flexibility, accessibility, and personalization without affecting presentation content or attendee views. No admin action is needed.
User impact: This message is associated with Microsoft 365 Roadmap ID 567469.
Admin action: No admin action is required. Consider informing users who regularly present in Teams meetings about the new display mode options.
Act by: —
Last modified: 2026-09-09
MC1429012 — Microsoft Teams: Enhanced delegated calling with delegate call access restrictions and join notifications2026-09-09
Microsoft Teamsbothmedium
Microsoft Teams is adding call delegation enhancements: delegators can lock active calls to block delegate participation and enable warning tones notifying when delegates join or resume calls. These features improve privacy and transparency during calls, rolling out worldwide from August to September 2026. No immediate admin action needed.
User impact: A new Lock an Ongoing Call capability will be available to delegators. Delegators can lock an active call to prevent delegates from: Resuming a call that has been placed on hold. Joining an ongoing active call.
Admin action: No immediate administrative action is required. Review how call delegation is used within your organization. Inform users who utilize delegated calling about the new lock and notification capabilities.
Act by: —
Last modified: 2026-09-09
MC1461164 — Microsoft Teams Rooms on Android: room users can change the app language2026-09-09
Microsoft Teamsbothmedium
Teams Rooms on Android will allow users to temporarily change the app language per session from the console, aligning with Windows experience. This feature rolls out from June to October 2026 with app version 2.12.0+, resets after restart, requires no admin action, and does not affect system settings.
User impact: The language selection applies only to the current session. When the Teams Rooms app restarts, it automatically returns to the room's configured default language, ensuring the device is not left in an unexpected language for the next user.
Admin action: No admin action is required. The feature will be enabled automatically when eligible devices update to Teams Rooms on Android app version 2.12.0 or later. Confirm that Teams Rooms on Android devices are running a supported operating system version and are configured to receive the Teams Rooms app version 2.12.0 update. Verify that the default Teams app language is configured appropriately for each room, since rooms will revert to this language after each app restart.
Act by: —
Last modified: 2026-09-09
MC1146821 — Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users2026-09-09
Microsoft 365 Copilot Chatbothlow
Microsoft Edge for Business will roll out the Microsoft 365 Copilot Chat-powered Rewrite feature by late October 2026, enabling users to draft and rephrase text via right-click. It’s enabled by default, respects DLP policies, and can be managed by admins through the InlineComposeEnabled policy.
User impact: This message is associated with Microsoft 365 Roadmap ID 420335.
Admin action: No admin action is required before rollout. Reviewing your current DLP configurations to understand how they may impact Rewrite functionality. Notifying users about this new capability.
Act by: —
Last modified: 2026-09-09
MC1459129 — Microsoft Viva: Viva Learning retirement of Microsoft 365 training content2026-09-09
Microsoft VivabothhighAct by September 21, 2026
Microsoft is retiring 161 Microsoft 365 training modules and selected articles from Viva Learning on September 21, 2026. Users will lose access after August 30, 2026. Learning administrators should update learning paths, encourage completion of in-progress training, and monitor future communications for replacement content.
User impact: 161 Microsoft 365 training modules and selected articles will be removed from the Viva Learning catalog on August 30, 2026. Users will no longer be able to launch or consume the retired content after the retirement date.
Admin action: Learning administrators should:. Monitor future Microsoft Viva Learning communications and documentation for additional information about the content retirement, including any content inventory that may become available. Review learning paths, academies, assignments, and recommendations that may reference affected Microsoft 365 training content.
Act by: September 21, 2026
Last modified: 2026-09-09
MC1009930 — Microsoft Teams: Distinguish invites among Attendee, Presenter, and Co-organizer emails2026-09-09
Microsoft Teamsbothmedium
Microsoft Teams will send separate event invites based on participant roles—Attendee, Presenter, and Co-organizer—allowing organizers to manage distinct invites for town halls. Rollout starts early November 2026, completing by mid-December, with no admin action needed. Users should be informed and documentation updated accordingly.
User impact: Microsoft Teams will send separate event invites based on participant roles—Attendee, Presenter, and Co-organizer—allowing organizers to manage distinct invites for town halls. Rollout starts early November 2026, completing by mid-December, with no admin action needed. Users should be informed and documentation updated accordingly.
Admin action: This rollout will happen automatically with no admin action required. You may want to notify your users about this change and update any relevant documentation as appropriate.
Act by: —
Last modified: 2026-09-09
MC1459141 — Microsoft Teams: Admin policy to automatically block identified external meeting bots from joining meetings2026-09-09
Microsoft Teamsadminsmedium
Microsoft Teams will introduce a new admin policy to automatically block identified external meeting bots from joining meetings, enhancing security. The rollout starts mid-September 2026, with default off. Admins can enable and assign this policy; no changes occur unless activated. Recommendations include piloting and communication.
User impact: Identified external meeting bots will be prevented from joining meetings governed by the assigned policy. Existing bot detection and visibility experiences for organizers and administrators will continue to be available.
Admin action: No action is required unless you plan to use this capability. Review your organization's use of meeting bots and automated meeting applications. Evaluate the feature with a pilot group before broader deployment.
Act by: —
Last modified: 2026-09-09
MC1456610 — Microsoft 365 Copilot Chat: Updated commercial Copilot endpoint for Microsoft Edge2026-09-09
Microsoft 365 suitebothmedium
Microsoft 365 Copilot Chat in Microsoft Edge will change its endpoint to cr.m365copilotapp.svc.cloud.microsoft by late September 2026. Organizations using network allowlists or blocklists must update configurations to ensure continued access; no impact if no endpoint restrictions exist. Review and update network settings accordingly.
User impact: Microsoft 365 Copilot Chat in Edge will begin using the commercial Copilot endpoint cr.m365copilotapp.svc.cloud.microsoft instead of outlook.office.com/hosted/semanticoverview/Users. Organizations that explicitly allow or block network endpoints for Microsoft 365 Copilot Chat in Edge may need to update their configurations.
Admin action: Action required: Review and, if necessary, update your organization's network allowlists and blocklists before rollout begins. Review any network configurations that control access to Microsoft 365 Copilot Chat in Microsoft Edge. Add the following endpoint where required: cr.m365copilotapp.svc.cloud.microsoft.
Act by: —
Last modified: 2026-09-09
MC1469559 — [Whiteboard] Legacy Whiteboard migration to OneDrive2026-09-09
OneDriveMicrosoft TeamsMicrosoft 365 appsbothlow
Updated September 9, 2026: We have determined that this message was sent in error. You can safely disregard this message, and we will send a corrected message to the appropriate audience.
User impact: No user impact. Microsoft states that this message was sent in error.
Admin action: Disregard this message. Microsoft states that a corrected message will be sent to the appropriate audience.
Act by: —
Last modified: 2026-09-09
MC1469583 — Updates available for Microsoft 365 Apps for all channels2026-09-09
Microsoft 365 appsbothlow
Microsoft has released updates for Microsoft 365 Apps across the Current Channel, Monthly Enterprise Channel, and Semi-Annual Enterprise Channel. Rollout to users on those channels begins September 8, 2026.
User impact: Users on the affected update channels will receive the latest Microsoft 365 Apps updates as they roll out; no change in experience is required to receive them.
Admin action: If Microsoft 365 Apps clients are configured to update automatically from the Office CDN, no action is required. Admins who manage updates directly can now download and deploy these updates, and should review the channel release notes for details.
Act by: —
Last modified: 2026-09-09
MC1469564 — Microsoft Publisher: Reminder that support ends in October 20262026-09-09
Microsoft 365 appsbothhighAct by October 1, 2026
Microsoft Publisher support ends October 1, 2026; it will no longer be available in Microsoft 365 subscriptions. Users should convert or migrate Publisher files to Word, PowerPoint, or Microsoft Create templates before this date. Support for the perpetual version ends October 13, 2026.
User impact: Users can continue using Publisher with its current functionality until October 1, 2026. Microsoft 365 subscribers will no longer be able to open or edit Publisher (.pub) files in Microsoft Publisher.
Admin action: Action recommended: Identify Publisher files that need to be preserved and convert them to a supported format before October 1, 2026. Save Publisher files as PDF if they only need to be viewed, shared, or printed after Publisher is retired. For files that require continued editing, convert or migrate content to Microsoft Word or Microsoft PowerPoint before October 1, 2026.
OneDriveMicrosoft TeamsMicrosoft 365 appsbothhighAct by October 16, 2026
Microsoft will retire standalone Whiteboard apps for Windows, iOS, and Android on October 16, 2026. Users must switch to accessing Whiteboard via Microsoft Teams or supported web experiences. Admins should inform users, update resources, and ensure readiness for this transition.
User impact: Find more details: Whiteboard Standalone App Retirement | Microsoft Support.
Admin action: Admins should prepare their organizations for the retirement of the standalone Whiteboard apps by:. Communicating the retirement date (October 16, 2026) to affected users. Encouraging users to transition to Microsoft Whiteboard in Microsoft Teams and supported web experiences before the retirement date.
Act by: October 16, 2026
Last modified: 2026-09-09
MC1469551 — Teams admin center device state rules and health alerts retire; use Teams Rooms Pro Management portal2026-09-09
Microsoft TeamsbothhighAct by late September 2026
Teams admin center's device state rules and health alerts will retire by late September 2026. Device health monitoring moves to the Teams Rooms Pro Management portal, which offers unified monitoring and alerting. Admins must reconfigure alerts and integrations in the new portal; end-user experience remains unchanged.
User impact: Going forward, device health monitoring for all Teams devices (MTR-A, Phones, Panels etc.) is delivered through the Teams Rooms Pro Management portal, which provides device health signals, monitoring, and incident management in a single unified portal. This is a continuation of the change previously communicated in MC1227622, where Android device management capabilities including inventory, updates, health monitoring, and settings transitioned from TAC to PMP.
Admin action: No specific admin action noted.
Act by: late September 2026
Last modified: 2026-09-09
MC1462915 — Allow connections to copilot.cloud.microsoft before the Copilot URL redirect2026-09-08
Microsoft 365 Copilot Chatbothmedium
Starting September 2026, Microsoft will redirect users from m365.cloud.microsoft to copilot.cloud.microsoft. Organizations must ensure network and security controls allow access to copilot.cloud.microsoft to avoid service disruption. Review and update firewall, proxy, and allow lists to permit *.cloud.microsoft traffic before October 2026.
User impact: As communicated in MC1454108, beginning in early September, 2026, Microsoft will start redirecting users from m365.cloud.microsoft to copilot.cloud.microsoft in organizations where access to copilot.cloud.microsoft is available. Organizations who may have blocked connection to copilot.cloud.microsoft will be redirected in October. To avoid disruption to Copilot access, review your organization's network and security controls to confirm that users can connect to copilot.cloud.microsoft.
Admin action: You can validate connectivity to the *.cloud.microsoft domain by using the Microsoft 365 Connectivity Test tool. Use the connectivity tool to validate connectivity to copilot.cloud.microsoft and confirm that your network and security controls allow access before the redirect applies to your organization. If you find out your organization blocks connection to copilot.cloud.microsoft, contact your Microsoft account representative before September 10, 2026 to discuss available options. Confirm
that copilot.cloud.microsoft is not blocked in your environment. Review legacy
filtering rules, URL category restrictions, proxy policies, firewall rules,
tenant restrictions, Conditional Access policies, and app control policies, and
update them if needed.
Act by: —
Last modified: 2026-09-08
MC1466762 — Cross-post SharePoint News to Engage2026-09-08
SharePoint OnlineMicrosoft Vivabothmedium
SharePoint News can now be cross-posted to Viva Engage communities with full fidelity and unified conversations across feeds, Outlook, Teams, and apps. Rolling out worldwide from late September to October 2026, this feature synchronizes comments and reactions, enhancing content reach without extra effort. Admins should inform users accordingly.
User impact: SharePoint News post will appear in full fidelity in Engage across feeds, digests, Outlook, Teams, desktop, web and mobile apps. When distributed, the SharePoint News comments module is replaced with the richer Engage conversation module, ensuring a single, shared discussion thread across surfaces.
Admin action: Admins may want to let users know about this change or refresh any training on distributing content from SharePoint to Engage. Review the following documentation: Introducing SharePoint News and Viva Engage cross-posting.
Act by: —
Last modified: 2026-09-08
MC1469329 — Build apps in Microsoft Copilot Studio and Copilot Cowork2026-09-08
Microsoft 365 Copilot Chatbothmedium
Microsoft announces a preview of app-building in Copilot Cowork starting September 8, 2026, with Copilot Studio following soon. Users with licenses can create, test, and publish apps using natural language and organizational data, governed by existing policies and managed via the Microsoft 365 admin center.
User impact: Makers can create a working first draft through natural-language conversation, refine it, preview and test it, and then publish and share it. Apps can use organizational data through connectors permitted by your organization’s policies. Apps built in Cowork can be opened and further edited in Copilot Studio. Apps created through these experiences will be visible to administrators in the new Apps experience in the Microsoft 365 admin center, providing consistent governance and organization-wide visibility.
Admin action: Learn more. Complete Frontier Program onboarding for your organization and enable eligible app creators in the Microsoft 365 admin center under Apps > Overview. Review the default configuration and adjust the policies to match your requirements in Microsoft 365 admin center > Apps > Settings.
Act by: —
Last modified: 2026-09-08
MC1466328 — Frontier: [Skills] 'Explain this presentation' built in skill in PPT Copilot (Desktop)2026-09-08
Microsoft 365 appsbothmedium
PowerPoint Copilot's "Explain this presentation" skill, rolling out in September 2026 for Windows desktop, provides users with an impartial summary of presentations, including main ideas, key takeaways, numbers, visuals, speaker notes, and open questions, enhancing understanding without requiring user action.
User impact: This experience can help users review and understand presentations more efficiently and identify information that may require further attention.
Admin action: No action is required. A Copilot license is required. You may want to inform your users about this new experience and update internal training or support documentation as appropriate.