Message Center changes 110

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IDTitleCategoryUpdatedAct by
MC1426371 (Updated) Microsoft Entra: Passkeys by default and retirement of Microsoft-provided SMS and voice authentication
5 · High Microsoft Entra Major
Plan for change 15 Sep 2026 —
MC1472429 Support for Office LTSC 2021, and additional apps will end on October 13, 2026
8 · Critical Microsoft 365 suite Major
Plan for change 15 Sep 2026 13 Oct 2026
MC1269210 (Updated) Classic Outlook: Retirement of people card expanded view
4 · Medium Microsoft 365 apps Major
Plan for change 14 Sep 2026 —
MC1466753 (Updated) Microsoft Word: Similarity Checker retirement
5 · High Microsoft 365 apps Major
Plan for change 10 Sep 2026 —
MC1459129 (Updated) Microsoft Viva: Viva Learning retirement of Microsoft 365 training content
3 · Medium Microsoft Viva
Plan for change 09 Sep 2026 —
MC1469557 [Whiteboard] Standalone app deprecation (Windows, Mobile)
5 · High Microsoft OneDriveMicrosoft TeamsMicrosoft 365 apps Major
Plan for change 09 Sep 2026 —
MC1467356 Deprecation for Manifest V2 (MV2) browser extensions support in Microsoft Edge
5 · High Microsoft 365 suite Major
Plan for change 04 Sep 2026 —
MC1466302 Project Online Essentials reaches End of Life on October 1, 2026: Action required
8 · Critical Project for the web Major
Plan for change 02 Sep 2026 01 Oct 2026
MC1464926 Upcoming changes to classic publishing sites, classic user-created pages and custom scripting in SharePoint Online
5 · High SharePoint Online Major
Plan for change 31 Aug 2026 —
MC1462922 Admin app retiring in Teams, Outlook and Microsoft365.com
5 · High Exchange OnlineMicrosoft 365 suiteMicrosoft Teams Major
Plan for change 27 Aug 2026 —
MC1462469 Microsoft Teams and Google Calendar sync retirement
8 · Critical Microsoft Teams Major
Plan for change 26 Aug 2026 01 Oct 2026
MC1441775 (Updated) Microsoft Whiteboard: Retirement of legacy whiteboards and transition to OneDrive-backed whiteboards
5 · High Microsoft Teams Major
Plan for change 25 Aug 2026 —
MC1461158 Prepare for upcoming changes to the Excel Exchange connector
5 · High Microsoft 365 apps Major
Plan for change 24 Aug 2026 —
MC1447678 (Updated) Microsoft Exchange Online: Prepare for Exchange Web Services retirement with EWSAllowedAppIDs
8 · Critical Exchange Online Major
Plan for change 24 Aug 2026 30 Sep 2026
MC1459132 Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG)
8 · Critical Microsoft 365 suite Major
Plan for change 21 Aug 2026 24 Sep 2026
MC1458479 SharePoint Page and News Post: Content Update flow in the FAQ web part will be retired
5 · High SharePoint Online Major
Plan for change 21 Aug 2026 —
MC1458474 Microsoft Entra ID: Retirement of custom CSS layout and positioning properties in company branding
8 · Critical Microsoft Entra Major
Plan for change 21 Aug 2026 26 Oct 2026
MC1454390 Retiring Teams Shifts Connection cmdlets from Teams PowerShell Module
5 · High Microsoft Teams Major
Plan for change 14 Aug 2026 —
MC1454385 Microsoft OneNote: Retirement of Loop components in OneNote for the web
5 · High Microsoft 365 apps Major
Plan for change 14 Aug 2026 —
MC1454373 Frontier =COPILOT function in Excel will no longer be available
Microsoft 365 apps
Plan for change 13 Aug 2026 —
MC1448374 (Updated) Microsoft Entra ID: Retirement of SMS first-factor sign-in for Entra ID Free tenants
3 · Medium Microsoft Entra
Plan for change 13 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 —
MC1448890 Power Automate - Legacy chatbot retirement
Microsoft Power Automate
Stay informed 06 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
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
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
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
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 —
MC1437544 Dynamics 365 Contact Center - Information regarding the end of support for Customer Intent Agent in Voice
Dynamics 365 Apps
Stay informed 23 Jul 2026 —
MC1426708 (Updated) End of support for OneDrive sync app on Windows 10 21H2 and earlier
4 · Medium Microsoft OneDrive Major
Plan for change 20 Jul 2026 —
MC1430531 Microsoft Outlook: Meeting Insight is retiring
4 · Medium Exchange Online Major
Plan for change 17 Jul 2026 —
MC1430529 Teams frontline mobile onboarding guide retirement
5 · High Microsoft Teams Major
Plan for change 17 Jul 2026 —
MC1248389 (Updated) Retirement of -Credential parameter when connecting to Exchange Online PowerShell
5 · High Exchange Online Major
Plan for change 15 Jul 2026 —
MC1422061 Microsoft Entra ID: Retirement of Custom Controls in Conditional Access and migration to External MFA
8 · Critical Microsoft Entra Major
Plan for change 09 Jul 2026 30 Apr 2027
MC1293480 (Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
8 · Critical Exchange Online Major
Plan for change 07 Jul 2026 31 Jul 2026
MC1230891 (Updated) SharePoint Designer 2013 reaches end of support on July 14, 2026
8 · Critical SharePoint Online Major
Plan for change 02 Jul 2026 13 Jul 2026
MC1411726 Remote Event Receivers in SharePoint Online will be retired
5 · High SharePoint Online Major
Plan for change 01 Jul 2026 —
MC1409305 Microsoft Entra: Blocking new assignments to partner tier support roles
5 · High Microsoft Entra Major
Plan for change 29 Jun 2026 —
MC1332812 (Updated) Action required: Update Teams Rooms app to maintain PowerPoint Live functionality
6 · High Microsoft Teams
Prevent or fix issue 26 Jun 2026 03 Aug 2026
MC1401298 Retirement of Turnitin Similarity integration in Microsoft Teams Assignments
5 · High Microsoft Teams Major
Plan for change 22 Jun 2026 —
MC1401297 Calendar widget in Student Hub retiring in July 2026
5 · High Microsoft Teams Major
Plan for change 22 Jun 2026 —
MC1395311 Microsoft SharePoint Online: Retirement of Restricted SharePoint Search
5 · High SharePoint Online Major
Plan for change 18 Jun 2026 —
MC1393802 Outlook for iOS and Android: Send Availability feature to be retired
4 · Medium Exchange Online Major
Plan for change 16 Jun 2026 —
MC1072889 (Updated) SharePoint Alerts retirement
5 · High SharePoint Online Major
Plan for change 15 Jun 2026 —
MC1278920 Support for Office LTSC 2021, and additional apps will end on October 13, 2026
5 · High Microsoft 365 suite Major
Plan for change 13 Apr 2026 —
MC1272554 Top domain mail flow report in Exchange Online is retiring
8 · Critical Exchange Online Major
Plan for change 06 Apr 2026 05 Jul 2026
MC1272549 Upcoming change: Retirement of noise suppression capability for OneDrive and SharePoint video
4 · Medium SharePoint OnlineMicrosoft OneDrive Major
Plan for change 06 Apr 2026 —
MC1262588 Microsoft Teams: Retirement of CAPTCHA for meeting join
4 · Medium Microsoft Teams Major
Plan for change 26 Mar 2026 —