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 47Updated after first seen

388 notices

Newest change first

MC1462469 Microsoft Teams and Google Calendar sync retirement
Plan for change · Microsoft Teams · changed 26 Aug 2026Major changeUser impactAdmin impactRetirementAct by 1 Oct 2026 · 20d ago
MC1462464 Microsoft Defender for Cloud Apps: App Governance support for the Cloud Application Administrator role is being retired
Plan for change · Microsoft Defender XDR · changed 26 Aug 2026Major changeUser impactAdmin impactRetirementAct by 25 Sep 2026 · 26d ago
MC1462463 Teams Admin Center - Single pane for monitoring
Plan for change · Microsoft Teams · changed 26 Aug 2026New featureAdmin impact
MC1462460 Microsoft Entra: Domain update for My Account and identity self-service experiences
Plan for change · Microsoft Entra · changed 26 Aug 2026User impactAdmin impact
MC1454386 Simplified access to Copilot Chat on the Microsoft 365 Copilot mobile app
Plan for change · Microsoft 365 Copilot Chat · changed 26 Aug 2026Feature updateUser impactAdmin impact
MC1192260 (Updated) Microsoft Purview | Compliance Manager - AI Powered Regulatory Templates
Stay informed · Microsoft Purview · changed 26 Aug 2026Updated messageNew featureAdmin impact
MC1319216 (Updated) Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off
Stay informed · Microsoft Teams · Microsoft 365 Copilot Chat · changed 26 Aug 2026Updated messageNew featureUser impactAdmin impact
MC1461705 Microsoft Defender XDR: Unified identity timeline on the Identity page
Plan for change · Microsoft Defender XDR · changed 25 Aug 2026New featureAdmin impact
MC1461704 Microsoft Defender XDR: Unified response actions across identity accounts
Plan for change · Microsoft Defender XDR · changed 25 Aug 2026New featureAdmin impact
MC1441775 (Updated) Microsoft Whiteboard: Retirement of legacy whiteboards and transition to OneDrive-backed whiteboards
Plan for change · Microsoft Teams · changed 25 Aug 2026Major changeUpdated messageUser impactAdmin impactRetirement
MC1461529 Release Planner Retirement: D365, Power Platform, and Dataverse Move to AI at Work
Plan for change · Dynamics 365 Apps · Power Apps · Microsoft Power Automate · changed 25 Aug 2026Admin impact
MC1461528 Microsoft 365 Roadmap is becoming the AI at Work Roadmap
Stay informed · Microsoft 365 suite · changed 25 Aug 2026Feature updateUser impactAdmin impact
MC1258000 (Updated) Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts
Stay informed · Microsoft Purview · changed 24 Aug 2026Updated messageNew featureUser impactAdmin impact
MC1461160 Microsoft Teams: Copilot in call recap in the Queues app
Stay informed · Microsoft Teams · changed 24 Aug 2026New featureUser impactAdmin impact
MC1461158 Prepare for upcoming changes to the Excel Exchange connector
Plan for change · Microsoft 365 apps · changed 24 Aug 2026Major changeUser impactAdmin impactRetirement
MC1461154 Microsoft Purview | Information Protection – Auto-labeling scale increase for SharePoint and OneDrive
Plan for change · Microsoft 365 suite · Microsoft Purview · changed 24 Aug 2026Feature updateAdmin impact
MC1447678 (Updated) Microsoft Exchange Online: Prepare for Exchange Web Services retirement with EWSAllowedAppIDs
Plan for change · Exchange Online · changed 24 Aug 2026Major changeUpdated messageUser impactAdmin impactRetirementAct by 30 Sep 2026 · 21d ago
MC1411574 (Updated) Microsoft Entra: System-preferred authentication now applies to first-factor authentication
Stay informed · Microsoft Entra · changed 24 Aug 2026Updated messageFeature updateUser impactAdmin impact
MC1459136 Microsoft 365 admin center: Usage reports migrating to new domains
Plan for change · Microsoft 365 suite · changed 21 Aug 2026Feature updateAdmin impact
MC1459132 Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG)
Plan for change · Microsoft 365 suite · changed 21 Aug 2026Major changeUser impactAdmin impactRetirementAct by 24 Sep 2026 · 27d ago
MC1459130 Improved capabilities for files with Copilot in OneDrive Web
Plan for change · Microsoft OneDrive · changed 21 Aug 2026Feature updateUser impactAdmin impact
MC1458484 Filter Messages by Events
Stay informed · Exchange Online · changed 21 Aug 2026Feature updateUser impactAdmin impact
MC1458479 SharePoint Page and News Post: Content Update flow in the FAQ web part will be retired
Plan for change · SharePoint Online · changed 21 Aug 2026Major changeUser impactAdmin impactRetirement
MC1458476 Microsoft Outlook: Classic Outlook theme experience for Outlook on the web and Outlook for Windows
Plan for change · Exchange Online · changed 21 Aug 2026New featureUser impactAdmin impact
MC1458474 Microsoft Entra ID: Retirement of custom CSS layout and positioning properties in company branding
Plan for change · Microsoft Entra · changed 21 Aug 2026Major changeUser impactAdmin impactRetirementAct by 26 Oct 2026 · in 5 days
MC1457839 Viva Connections multi-home site management moving to SharePoint admin center
Stay informed · SharePoint Online · changed 19 Aug 2026Feature updateAdmin impact
MC1457230 Microsoft Outlook: Drag and drop calendar events to reschedule meetings
Stay informed · Exchange Online · changed 18 Aug 2026New featureUser impactAdmin impact
MC1456780 Plan for Change: New device page experience will become the default view
Plan for change · Microsoft Intune · changed 17 Aug 2026Admin impact
MC1255406 (Updated) Microsoft Purview | Data Security Triage Agent Summaries for DLP Alerts in Microsoft Defender XDR
Plan for change · Microsoft Defender XDR · Microsoft Purview · changed 17 Aug 2026Major changeUpdated messageNew featureAdmin impact
MC1289726 (Updated) Microsoft Purview: eDiscovery - CMK (Customer managed key) for eDiscovery direct export
Plan for change · Microsoft Purview · changed 14 Aug 2026Updated messageNew featureAdmin impact