M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 5,825 Microsoft 365 Message Center announcements and Roadmap items. Track tenant-relevant changes, rollout dates, and service updates — with the full revision history of every message.

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All Microsoft 365 Message Center and Roadmap announcements

MessageActions
MC1457335
Updates available for Microsoft 365 Apps for Current Channel
Aug 19, 2026|Microsoft 365 apps
MC1303719Action by Aug 11, 2026
Microsoft Entra: Upcoming changes to federatedTokenValidationPolicy default settings
May 7, 2026|Microsoft Entra
RM569425
Microsoft Copilot (Microsoft M365): Delegated prompt publishing for organization prompts
Aug 18, 2026|Microsoft 365 admin center
RM569212
Microsoft Copilot (Microsoft 365): Federated Copilot Connectors in Microsoft 365 Copilot
Aug 18, 2026|Microsoft Copilot (Microsoft 365)
RM569207
Microsoft Teams: Report a Security Concern in Meetings
Aug 18, 2026|Microsoft Teams
RM569205
Microsoft Teams: Temporarily pause all notifications
Aug 17, 2026|Microsoft Teams
RM569421
Microsoft Teams: Malicious URL Protection for Teams Chat and Channels for Gov clouds
Aug 14, 2026|Microsoft Teams
RM567461
Microsoft Teams: Updated header and dashboard for chats and channels on mobile
Aug 3, 2026|Microsoft Teams
RM567320
Microsoft Viva: Viva Glint - Copilot admin configuration assistance
Aug 3, 2026|Microsoft Viva
RM567304
Microsoft Teams: Explicit recording and transcription consent for PSTN participants now available in GCC High and DoD
Jul 16, 2026|Microsoft Teams
RM567314
Microsoft Teams: SharePoint app in Teams
Jul 8, 2026|Microsoft Teams
RM566703
Microsoft Edge: Upgraded Copilot new tab page
Jun 26, 2026|Microsoft Edge
RM566316
OneDrive: Refreshed file browsing and filtering experience in OneDrive Web
Jun 18, 2026|OneDrive
RM565221
Microsoft Teams: Assistant field visibility in Organization view
Jun 9, 2026|Microsoft Teams
RM564608
Microsoft Copilot (Microsoft 365): Support for MCP Agents with Interactive UI Widgets in Government Clouds
May 27, 2026|Microsoft Copilot (Microsoft 365)
RM561330
Microsoft 365: Introducing Exchange Online Cross-tenant Message Recall
May 5, 2026|Microsoft 365
RM553224
Microsoft Viva: Copilot Enhanced Topic Assignment
Feb 18, 2026|Microsoft Viva
RM543713
Microsoft Teams: Call quality feedback surveys for Teams Rooms on Android
Jan 8, 2026|Microsoft Teams
RM501201
Microsoft Teams: Enhanced Copilot chat summary
Sep 10, 2025|Microsoft Teams
RM481834
Microsoft 365: Long-term retention period for M365 Backup
Feb 19, 2025|Microsoft 365
RM472030
Microsoft Purview compliance portal: Data Lifecycle Management - Retention based on Last Accessed for files in OneDrive and SharePoint
Dec 11, 2024|Microsoft Copilot (Microsoft 365)
MC1457230
Microsoft Outlook: Drag and drop calendar events to reschedule meetings
Aug 18, 2026|Exchange Online
MC1457229
Microsoft 365 Copilot: Import Executive Assistant data with People connectors
Aug 18, 2026|Microsoft 365 suite
MC1457226
Microsoft OneDrive: Refreshed file browsing and filtering experience in OneDrive Web
Aug 18, 2026|Microsoft OneDrive
MC1413302
Discussion post previews coming to Viva Engage
Jul 3, 2026|Microsoft Viva
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