Message Center changes 507

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IDTitleCategoryUpdatedAct by
MC1266023 (Updated) Microsoft 365 Copilot: Comprehensive Copilot metrics in Copilot Analytics
Microsoft Viva
Stay informed 11 Aug 2026 —
MC1266025 (Updated) Update on custom domain guidance for Teams Event emails
Microsoft Teams
Stay informed 11 Aug 2026 —
MC1452374 Microsoft Exchange Online: Retirement of the Other features page in Exchange admin center
5 · High Exchange Online Major
Plan for change 11 Aug 2026 —
MC1287365 (Updated) Microsoft 365 Copilot: Change in accessing additional agents in Excel
Microsoft 365 apps
Stay informed 10 Aug 2026 —
MC1450135 Viva Learning: Copilot experience transitions to Learning Agent in Microsoft 365 Copilot
Microsoft Viva
Plan for change 07 Aug 2026 —
MC1450131 Microsoft SharePoint: New report on Everyone except external users
SharePoint Online
Stay informed 07 Aug 2026 —
MC1450128 Microsoft Purview: Adaptive scopes add lifecycle status evaluation controls for recipients and site owners
Microsoft Purview
Stay informed 07 Aug 2026 —
MC1426714 (Updated) Microsoft Viva: Create and customize Power BI reports
Microsoft Viva
Plan for change 07 Aug 2026 —
MC1420903 (Updated) Exchange Online will prevent creation of duplicate Dynamic Distribution Groups
Exchange Online
Stay informed 07 Aug 2026 —
MC1449174 Microsoft Teams: Microsoft Teams live chat retirement
8 · Critical Microsoft Teams Major
Plan for change 06 Aug 2026 05 Oct 2026
MC1449170 Microsoft Edge: Retirement of default unload event support
8 · Critical Microsoft 365 suite Major
Plan for change 06 Aug 2026 05 Sep 2026
MC1308855 (Updated) Collect Diagnostics change to Get Diagnostics for Outlook Mobile and Mac
Microsoft 365 apps
Plan for change 06 Aug 2026 —
MC1446794 Microsoft Teams: Report security concerns in Teams meetings
Microsoft Teams
Plan for change 05 Aug 2026 —
MC1447673 Microsoft Teams: Users can report security concerns in group calls
Microsoft Teams
Plan for change 05 Aug 2026 —
MC1447683 Microsoft 365 Copilot: Scheduled Prompts moves to Microsoft 365 Connected Experiences
Microsoft 365 suite
Plan for change 05 Aug 2026 —
MC1447681 Microsoft Viva Engage: Custom branding for tenant-wide visual identity
Microsoft Viva
Plan for change 05 Aug 2026 —
MC1230892 (Updated) Microsoft 365 Copilot: Updated handling of entity inserts in the Copilot Chat input box
Microsoft 365 Copilot Chat
Stay informed 04 Aug 2026 —
MC1423114 (Updated) Microsoft Teams: Stricter external access controls for federated chats
Microsoft Teams
Plan for change 04 Aug 2026 —
MC1427972 (Updated) Microsoft SharePoint: Restricted content discovery enhancements for Copilot and Microsoft 365 search
SharePoint Online
Plan for change 04 Aug 2026 —
MC1325414 (Updated) Microsoft Entra ID SSPR will require registered authentication methods starting November 9, 2026
7 · High Microsoft Entra Major
Plan for change 04 Aug 2026 06 Nov 2026
MC1446807 Microsoft Teams: Interpreter agent support in Teams Rooms on Android
Microsoft Teams
Stay informed 03 Aug 2026 —
MC1434581 (Updated) Use OneDrive-stored user-defined custom skills in PowerPoint Copilot (Mac)
Microsoft 365 appsMicrosoft 365 Copilot Chat
Stay informed 03 Aug 2026 —
MC1434580 (Updated) Use OneDrive stored user defined custom skills in PowerPoint Copilot (web)
Microsoft 365 for the webMicrosoft 365 Copilot Chat
Stay informed 03 Aug 2026 —
MC1435782 Microsoft Entra ID: Retirement of custom CSS positioning properties in custom branding
5 · High Microsoft Entra Major
Plan for change 31 Jul 2026 —
MC1440980 (Updated) Microsoft Teams: Update the Teams mobile app to maintain Calendar functionality
8 · Critical Microsoft Teams Major
Plan for change 31 Jul 2026 01 Oct 2026
MC1442612 (Updated) Microsoft PowerPoint: Access your organization's brand templates in PowerPoint
Microsoft 365 apps
Stay informed 31 Jul 2026 —
MC1326502 (Updated) Shared and delegate mailbox scheduling for events
Microsoft Teams
Stay informed 31 Jul 2026 —
MC1443511 Microsoft Teams: Manage auto attendant shared voicemails in the Queues app
Microsoft Teams
Plan for change 31 Jul 2026 —
MC1443510 Microsoft 365: One-time cleanup of aged pending requests in All Agents
7 · High Microsoft 365 suite
Prevent or fix issue 31 Jul 2026 20 Aug 2026
MC1330886 (Updated) Microsoft 365 Copilot: Get suggested edits from Copilot in your Copilot Pages
Microsoft 365 apps
Stay informed 30 Jul 2026 —
MC1442609 Microsoft Teams: Teams shared display mode and peripheral detection for BYOD spaces
Microsoft Teams
Stay informed 29 Jul 2026 —
MC1442608 Microsoft SharePoint Embedded: Update to driveItem.webUrl behavior
4 · Medium SharePoint Online Major
Plan for change 29 Jul 2026 —
MC1403403 (Updated) Microsoft Purview compliance portal: View-only role management enhancements
Microsoft Purview
Stay informed 29 Jul 2026 —
MC1245225 (Updated) Microsoft Teams: Ad-hoc room reservation from Teams Rooms on Windows console
Microsoft Teams
Stay informed 29 Jul 2026 —
MC1393808 (Updated) Microsoft Teams: Experience improvements to Voice apps configuration wizard in Teams admin center
Microsoft Teams
Plan for change 29 Jul 2026 —
MC1117115 (Updated) Updates to custom scripting in sites and Classic Publishing site creation
4 · Medium SharePoint Online Major
Plan for change 29 Jul 2026 —
MC1418559 Action required: Retirement of EWS-based Personal Bookings controls (Microsoft Bookings)
8 · Critical Microsoft Bookings Major
Plan for change 29 Jul 2026 04 Aug 2026
MC1441774 Microsoft Teams: Meeting Participant Detail audit records will be available in all participating (non-organizer) tenants
Microsoft Teams
Stay informed 28 Jul 2026 —
MC1441645 Add and upload your custom skills to OneDrive from within PowerPoint Copilot (Desktop)
Microsoft 365 apps
Stay informed 28 Jul 2026 —
MC1392567 (Updated) Microsoft Planner: Start date and due date are no longer constrained
4 · Medium Planner Major
Plan for change 28 Jul 2026 —
MC1404310 (Updated) Microsoft Viva: Copilot Analytics – Manager role license requirement update for team views
Microsoft Viva
Plan for change 28 Jul 2026 —
MC906502 (Updated) Microsoft Outlook: Automatically display automapped calendars
Microsoft 365 for the webMicrosoft 365 apps
Stay informed 28 Jul 2026 —
MC1440976 Microsoft 365 Copilot: Retirement of role-to-skill mapping files in People Skills
5 · High Microsoft 365 suite Major
Plan for change 27 Jul 2026 —
MC1148545 (Updated) Microsoft 365 admin center - Usage reports: Agent usage (preview)
Microsoft 365 suite
Stay informed 27 Jul 2026 —
MC1437679 Microsoft 365 Copilot: Capture voice notes in the Microsoft 365 Copilot mobile app
4 · Medium Microsoft 365 suite Major
Plan for change 23 Jul 2026 —
MC1437678 Microsoft Teams: Join by code requires owner approval for private teams
Microsoft Teams
Stay informed 23 Jul 2026 —
MC1288530 (Updated) Microsoft Teams: Test microphone and speaker before joining a meeting
Microsoft Teams
Stay informed 21 Jul 2026 —
MC1262590 (Updated) Planner tab support for Shared and Private Channels in Microsoft Teams
4 · Medium PlannerMicrosoft Teams Major
Plan for change 21 Jul 2026 —
MC1287370 (Updated) Auto upgrade of shared calendars from legacy MAPI model to modern REST model
Microsoft 365 suite
Plan for change 21 Jul 2026 —
MC1401303 (Updated) Microsoft Teams: New Events templates with "Optimize for large audience" and policy-based behavior
Microsoft Teams
Stay informed 20 Jul 2026 —