Message Center changes 160

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IDTitleCategoryUpdatedAct by
MC1166852 (Updated) Microsoft Viva Copilot Analytics launches new agent dashboard
4 · Medium Microsoft Viva Major
Plan for change 02 Oct 2026 —
MC1243549 (Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B
5 · High SharePoint OnlineMicrosoft OneDrive Major
Plan for change 01 Oct 2026 —
MC1483974 Action Required: Upgrade ExchangeOnlineManagement PowerShell Module to Version 3.10.1 or Later
7 · High Exchange Online Major
Plan for change 30 Sep 2026 26 Mar 2027
MC1479512 (Updated) Microsoft Teams: Updates to Teams Events licensing for business, frontline, and education customers
4 · Medium Microsoft Teams Major
Plan for change 28 Sep 2026 —
MC1479508 Microsoft Planner: Meeting-created plans will expire after 180 days of inactivity
4 · Medium Planner Major
Plan for change 25 Sep 2026 —
MC1478006 Microsoft Word for the web: Retirement of the "@" entity insertion experience on the document canvas
5 · High Microsoft 365 apps Major
Plan for change 23 Sep 2026 —
MC1317197 (Updated) Microsoft Teams: A refreshed in-meeting experience with simpler controls and a smarter share panel
4 · Medium Microsoft Teams Major
Plan for change 23 Sep 2026 —
MC1477186 Microsoft Agent 365: Simplified Agent 365 CLI setup experience
4 · Medium Microsoft 365 suite Major
Plan for change 22 Sep 2026 —
MC1316231 (Updated) Microsoft Teams: Front-of-room view control for Webinars and structured meetings in Teams Rooms on Android
3 · Medium Microsoft Teams Major
Plan for change 22 Sep 2026 —
MC1476319 Microsoft SharePoint: Changes to the FAQ web part authoring experience
3 · Medium SharePoint Online Major
Plan for change 21 Sep 2026 —
MC1421920 (Updated) Surveys agent retirement and transition to Copilot in Microsoft Forms
5 · High Microsoft Forms Major
Plan for change 21 Sep 2026 —
MC1474111 Retirement of Microsoft 365 Companion apps
5 · High Microsoft 365 suite Major
Plan for change 18 Sep 2026 —
MC1474104 Microsoft Entra ID: Follow-up on SMS first-factor sign-in retirement and upcoming changes
8 · Critical Microsoft Entra Major
Plan for change 18 Sep 2026 01 Feb 2027
MC1473149 Loading Power Query data to Python in Excel Web: Retirement
5 · High Microsoft 365 apps Major
Plan for change 16 Sep 2026 —
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 —
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 —
MC1085133 (Updated) Microsoft Teams: Rule-based enablement of Microsoft 365 third-party apps in the Teams admin center
4 · Medium Microsoft Teams Major
Plan for change 03 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
MC1197146 (Updated) Express voice enrollment in Microsoft Teams
4 · Medium Microsoft Teams Major
Plan for change 02 Sep 2026 —
MC1465773 Microsoft Viva Engage: Microsoft Entra permissions required for community and membership administration
7 · High Microsoft Viva Major
Plan for change 01 Sep 2026 30 Sep 2026
MC1465771 Microsoft Defender XDR: DLP alerts will be set as behaviors by default
4 · Medium Microsoft Purview Major
Plan for change 01 Sep 2026 —
MC1465764 Teams web client users will be redirected to teams.cloud.microsoft
4 · Medium Microsoft Teams Major
Plan for change 01 Sep 2026 —
MC1188222 (Updated) Microsoft Teams: Private chat for organizers and presenters in structured meetings, webinars, and town halls
4 · Medium Microsoft Teams Major
Plan for change 01 Sep 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
MC1255406 (Updated) Microsoft Purview | Data Security Triage Agent Summaries for DLP Alerts in Microsoft Defender XDR
4 · Medium Microsoft Purview Major
Plan for change 17 Aug 2026 —
MC1324286 (Updated) Microsoft Teams: Profanity filter disabled by default for live captions
4 · Medium Microsoft Teams Major
Plan for change 17 Aug 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 —
MC1454114 Microsoft Teams: Configure mandatory participant consent before joining meetings
4 · Medium Microsoft Teams Major
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 —
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
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
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
MC1442608 Microsoft SharePoint Embedded: Update to driveItem.webUrl behavior
4 · Medium SharePoint Online Major
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