Message Center

Notices Microsoft posts in the Microsoft 365 admin center, with the changes this installation saw between versions. Collected today from Observed in a reference Microsoft 365 tenant (Reference tenant (MVP)). Verify applicability in your own tenant's Message Center..

Graph API changes M365 roadmap

Versions captured by this deployment. Earlier versions and notices may be missing; first observed is not first published.

7Action dates in the next 30 days 9Prevent or fix issues 408Rolling out or changing 24Updated after first seen

388 notices

Newest change first

MC1395311 Microsoft SharePoint Online: Retirement of Restricted SharePoint Search
Plan for change · SharePoint Online · changed 18 Jun 2026Major changeUser impactAdmin impactRetirement
MC1304291 (Updated) Microsoft Purview: Data loss prevention inline controls for prompts in Microsoft Foundry apps and agents
Stay informed · Microsoft Purview · changed 17 Jun 2026Updated messageNew featureAdmin impact
MC1317839 (Updated) Microsoft Teams: Attend Microsoft webinars from Teams Rooms on Android
Plan for change · Microsoft Teams · changed 15 Jun 2026Major changeUpdated messageNew featureUser impactAdmin impact
MC1318856 Microsoft Viva Glint: Custom confidentiality statements
Stay informed · Microsoft Viva · changed 5 Jun 2026User impactAdmin impact
MC1225192 Microsoft Entra ID Governance: Azure subscription required to continue using guest governance features
Plan for change · Microsoft Entra · changed 16 Apr 2026Major changeFeature updateUser impactAdmin impact
MC1278920 Support for Office LTSC 2021, and additional apps will end on October 13, 2026
Plan for change · Microsoft 365 suite · changed 13 Apr 2026Major changeUser impactAdmin impactRetirement
MC1240704 (Updated) Copilot entry point changes in Word and handoff to Agent in chat
Plan for change · Microsoft 365 apps · changed 27 Mar 2026Updated messageFeature updateUser impactAdmin impact
MC937920 Microsoft Purview | Data Loss Prevention: Restrict Access action for semantic models in Microsoft Fabric (preview)
Plan for change · Microsoft Purview · changed 26 Mar 2026Updated messageNew featureAdmin impact
MC1181209 (Updated) [Reminder] Microsoft Teams Premium Self-Service Trials (Originally announced in MC670435)
Stay informed · Microsoft Teams · changed 25 Mar 2026Updated messageUser impactAdmin impact
MC1257999 Microsoft Purview DLP: Unmanaged cloud app discovery and protection with Microsoft Purview and Palo Alto Prisma Access
Plan for change · Microsoft Purview · changed 21 Mar 2026Major changeNew featureAdmin impact
MC1253752 Microsoft Teams: Manage multiple phone numbers within one Teams account
Plan for change · Microsoft Teams · changed 16 Mar 2026Major changeNew featureUser impactAdmin impact
MC920304 (Updated) Microsoft Purview | Communication Compliance: Policy alerts improvements
Stay informed · Microsoft Purview · changed 9 Mar 2026Updated messageNew featureAdmin impact
MC1242781 Microsoft Teams Rooms on Android: License-based management updates for DM-synced devices
Stay informed · Microsoft Teams · changed 3 Mar 2026Feature updateAdmin impact
MC949965 (Updated) Toggle to new Outlook
Plan for change · Microsoft 365 apps · changed 20 Feb 2026Major changeUpdated messageUser impactAdmin impactAct by 1 Mar 2027 · in 4 months
MC1227454 Exchange Web Services (EWS) retirement update
Plan for change · Exchange Online · changed 5 Feb 2026Major changeUser impactAdmin impactRetirement
MC1226495 Microsoft Teams: Teams Live Events is retiring
Plan for change · Microsoft Teams · changed 3 Feb 2026Major changeUser impactAdmin impactRetirementAct by 29 Jun 2026 · 114d ago
MC1220762 (Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API
Plan for change · Microsoft Defender XDR · changed 28 Jan 2026Major changeUpdated messageUser impactAdmin impactRetirementAct by 31 Jan 2027 · in 3 months
MC1218421 Retirement of Power BI Q&A
Plan for change · Power BI · changed 16 Jan 2026Major changeUser impactAdmin impactRetirement
MC1215070 Microsoft 365 admin center multifactor authentication enforcement
Plan for change · Microsoft 365 suite · changed 8 Jan 2026Major changeUser impactAdmin impact
MC1127222 (Updated) Please update Microsoft 365 Office apps to a version higher than 16.0.18827.20202
Plan for change · Microsoft 365 apps · changed 12 Dec 2025Major changeUpdated messageFeature updateUser impactAdmin impact
MC1191924 Microsoft Entra ID: Enhance protection of the authentication experience by blocking external script injection
Stay informed · Microsoft Entra · changed 3 Dec 2025Feature updateUser impactAdmin impact
MC716267 (Updated) Microsoft Publisher will no longer be supported after October 2026
Plan for change · Microsoft 365 apps · changed 11 Nov 2025Major changeUpdated messageUser impactAdmin impactRetirement
MC1182696 Microsoft Defender: Application Guard for Office is being removed
Plan for change · Microsoft 365 suite · changed 4 Nov 2025Major changeUser impactAdmin impactRetirement
MC1155312 (Updated) Introducing Knowledge Agent (preview): AI-powered content optimization for SharePoint and Copilot
Stay informed · SharePoint Online · changed 22 Oct 2025Updated messageNew featureUser impactAdmin impact
MC1173930 Microsoft SharePoint and OneDrive: General availability of tenant rename with no scale limitations
Stay informed · SharePoint Online · Microsoft OneDrive · changed 16 Oct 2025Feature updateUser impactAdmin impact
MC992217 (Updated) Microsoft Defender: Changes to Defender for Cloud Apps alerts
Plan for change · Microsoft Defender XDR · changed 5 Jun 2025Updated messageFeature updateAdmin impact
MC676299 (Updated) Retirement of Exchange Web Services in Exchange Online
Plan for change · Exchange Online · changed 18 Apr 2025Major changeUpdated messageAdmin impactRetirement
MC985483 Microsoft Graph: New default passcode in the Create Meeting API
Plan for change · Microsoft 365 suite · changed 22 Jan 2025Major changeUser impactAdmin impactRetirement