M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 5,847 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
MC1319216
Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off
May 22, 2026|Microsoft Teams
MC1458484
Filter Messages by Events
Aug 21, 2026|Exchange Online
MC1458483
OneDrive macOS Native Sync Engine
Aug 21, 2026|Microsoft OneDrive
MC1458481
Improved OneDrive experience in Apple Files app
Aug 21, 2026|Microsoft OneDrive
MC1458480
Microsoft Edge: Security Update Alerts in the Edge management service
Aug 21, 2026|Microsoft 365 suite
MC1458479Major
SharePoint Page and News Post: Content Update flow in the FAQ web part will be retired
Aug 21, 2026|SharePoint Online
MC1458477
AI overview for SharePoint News posts in the SharePoint app for Teams
Aug 21, 2026|SharePoint Online
MC1458476
Microsoft Outlook: Classic Outlook theme experience for Outlook on the web and Outlook for Windows
Aug 21, 2026|Exchange Online
MC1458474MajorAction by Oct 26, 2026
Microsoft Entra ID: Retirement of custom CSS layout and positioning properties in company branding
Aug 21, 2026|Microsoft Entra
MC1458472
Simplified Copilot experience in Microsoft Teams
Aug 21, 2026|Microsoft Teams
MC1458470
Simplified Copilot experience in Microsoft Outlook
Aug 21, 2026|Exchange Online
MC1455014
Microsoft Teams: Teams Events Attendance and Engagement Report Policy
Aug 14, 2026|Microsoft Teams
MC1458438
Dynamics 365 Customer Service - Review historical quality metrics in a unified dashboard
Aug 20, 2026|Dynamics 365 Apps
RM569717
Outlook: Purview Data Loss Prevention support for Calendar Events in Outlook for Mac
Aug 20, 2026|Outlook
RM569609
Microsoft Teams: Report a Message or an External User for Security Concern in Gov Clouds
Aug 20, 2026|Microsoft Teams
RM569606
Microsoft Viva: Viva Glint – Enhanced multiple-choice questions with up to 500 options
Aug 20, 2026|Microsoft Viva
RM569447
Microsoft Teams: Breakout room support on Teams Rooms on Android
Aug 20, 2026|Microsoft Teams
RM569435
Microsoft Viva: Viva Glint – In-product access to feature announcements
Aug 20, 2026|Microsoft Viva
RM569428
Microsoft Copilot (Microsoft 365) Writing Blocks in M365 Copilot
Aug 20, 2026|Microsoft Copilot (Microsoft 365)
RM568788
Microsoft Copilot (Microsoft 365): Self-serve sync connectors
Aug 20, 2026|Microsoft Copilot (Microsoft 365)
RM568365
Microsoft Edge: Import Google account data anytime from Settings
Jul 29, 2026|Microsoft Edge
RM567468
Microsoft Teams: Modernized Gallery view in Teams Rooms on Android
Jul 10, 2026|Microsoft Teams
RM567301
Microsoft Teams: New controls for quick views in the chat list
Jul 8, 2026|Microsoft Teams
RM566700
Microsoft Teams: IntelliFrame people labels in Teams Rooms on Windows
Jun 29, 2026|Microsoft Teams
RM565870
Microsoft Purview: Data Loss Prevention - Data Loss Prevention to safeguard sensitive information from external web search in Microsoft 356 Copilot and Copilot Chat
Jun 26, 2026|Microsoft Purview
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