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 403Rolling out or changing 38Updated after first seen

511 notices

Newest change first

MC1509803 Microsoft PowerPoint: Publish and unpublish controls for official brand kits
Stay informed · Microsoft 365 apps · changed 15 Oct 2026New featureUser impactAdmin impact
MC1509801 Microsoft Teams: Customize file extensions blocked by Weaponizable File Protection
Stay informed · Microsoft Teams · changed 15 Oct 2026Feature updateUser impactAdmin impact
MC1509800 Microsoft Outlook for Android: Multi-select and bulk actions in search results
Stay informed · Exchange Online · changed 15 Oct 2026New featureUser impactAdmin impact
MC1509799 Microsoft 365 Copilot: Legal plugins in Word and Cowork
Plan for change · Microsoft 365 apps · changed 15 Oct 2026New featureUser impactAdmin impact
MC1509797 Support for Office LTSC 2021 and additional apps ended on October 13, 2026
Plan for change · Microsoft 365 suite · Microsoft 365 apps · Project for the web · changed 15 Oct 2026Admin impactRetirement
MC1509796 Microsoft Teams: Enhanced channel meeting experience
Stay informed · Microsoft Teams · changed 15 Oct 2026New featureUser impact
MC1509789 Microsoft Edge: Browser-native XSLT will be disabled by default
Plan for change · Microsoft 365 suite · changed 15 Oct 2026User impactAdmin impactRetirement
MC1509787 Microsoft Teams: Third-party synthetic audio and video detection in meetings
Plan for change · Microsoft Teams · changed 15 Oct 2026New featureUser impactAdmin impact
MC1187781 (Updated) Viva Engage: Community feeds improvements
Stay informed · Microsoft Viva · changed 15 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1419798 (Updated) Microsoft Teams Rooms: Identify in-room participants with IntelliFrame people labels
Plan for change · Microsoft Teams · changed 15 Oct 2026 · 13 versions seenMajor changeUpdated messageNew featureUser impact
MC1474110 (Updated) Microsoft Planner: Capacity view
Stay informed · Planner · changed 15 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1443514 (Updated) Microsoft Planner: Planner Agent chat in basic plans
Stay informed · Planner · changed 15 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1506734 (Updated) Microsoft Teams: Video sharing from OneDrive in Teams events
Plan for change · Microsoft Teams · changed 15 Oct 2026 · 13 versions seenMajor changeUpdated messageNew featureFeature updateUser impact
MC1387578 (Updated) Microsoft Defender for Office 365: Localized default mark and notify email template
Stay informed · Microsoft Defender XDR · changed 15 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1155311 (Updated) Viva Engage: Agents in Viva Engage communities Public Preview
Plan for change · Microsoft Viva · changed 15 Oct 2026Updated messageNew featureAdmin impact
MC1462921 (Updated) Calls popout into a new window on the browser to support multi-tasking and collaboration during a meeting
Plan for change · Microsoft Teams · changed 15 Oct 2026Updated messageNew featureUser impact
MC1409304 (Updated) Microsoft Teams: Facilitator proactively detects and resolves knowledge gaps in meetings
Plan for change · Microsoft Teams · changed 15 Oct 2026Major changeUpdated messageNew featureUser impactAdmin impact
MC1479514 (Updated) Microsoft Teams: Improved file sharing experience in external chats
Plan for change · Microsoft Teams · changed 15 Oct 2026Major changeUpdated messageUser impactAdmin impact
MC1269864 (Updated) Microsoft Teams: New chat sections for muted and meeting chats
Plan for change · Microsoft Teams · changed 15 Oct 2026Major changeUpdated messageNew featureUser impactAdmin impact
MC1509121 Choose the data sources AI-powered Data Enrichment uses, including CRM notes
Stay informed · Dynamics 365 Apps · changed 15 Oct 2026New feature
MC1173208 (Updated) Microsoft Copilot Analytics: Data export public preview for Copilot metrics in the Copilot dashboard
Stay informed · Microsoft Viva · changed 15 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1261587 Microsoft Purview | Data Lifecycle Management - Hard delete OneDrive and SharePoint files with priority cleanup workflow
Plan for change · Microsoft Purview · changed 15 Oct 2026Major changeUpdated messageNew featureAdmin impact
MC1508238 Microsoft Purview | Information Protection: Sensitivity labels for Microsoft Entra security groups
Stay informed · Microsoft 365 suite · Microsoft Purview · changed 14 Oct 2026New featureUser impactAdmin impact
MC1508235 Microsoft Purview | Data Loss Prevention: Count of labeled documents condition for Exchange Online
Stay informed · Microsoft Purview · changed 14 Oct 2026New featureFeature updateUser impact
MC1508234 Microsoft Teams: Automatic recording and transcription options align with admin policies
Stay informed · Microsoft Teams · changed 14 Oct 2026Feature updateUser impactAdmin impact
MC1508229 Microsoft Excel: Changes to Get Data from Web (Legacy) experience
Plan for change · Microsoft 365 apps · changed 14 Oct 2026User impactRetirement
MC1506982 Updates available for Microsoft 365 Apps for all channels
Stay informed · Microsoft 365 apps · changed 14 Oct 2026Feature update
MC1450134 (Updated) Microsoft Entra: Windows Hello for Business and macOS Platform SSO as standalone MFA factors
Plan for change · Microsoft Entra · changed 13 Oct 2026Updated messageFeature updateUser impactAdmin impact
MC1326509 (Updated) Microsoft Purview: Information Protection- File Labeler and File Viewer for MacOS
Stay informed · Microsoft Purview · changed 13 Oct 2026Updated messageNew featureUser impactAdmin impact
MC1506735 Microsoft Planner: AI-generated status reports in Planner Agent
Stay informed · Planner · changed 13 Oct 2026New featureFeature updateUser impactAdmin impact