M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 6,184 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
MC1489590
Dynamics 365 Project Operations - Assign task level calendar for precise planning
Oct 6, 2026|Dynamics 365 Apps
MC1472022
[Outlook Mac] Purview Data Loss Prevention support for Calendar Events
Sep 14, 2026|Exchange Online
MC1472023
[Outlook Mobile] Purview Data Loss Prevention support for Calendar Events
Sep 14, 2026|Exchange Online
MC1472019
[Outlook Mac] Purview DLP Wait-on-Send Support
Sep 14, 2026|Exchange Online
MC1472021
[Outlook Mobile] Purview DLP Wait-on-Send Support
Sep 14, 2026|Exchange Online
MC1465779
Outlook for Mac: Sensitivity label recommendations and auto-labeling from attachments
Sep 1, 2026|Exchange Online
MC1388706
Microsoft 365 Copilot: Legal agent available in Frontier worldwide
Jun 12, 2026|Microsoft 365 apps
MC1454113
Microsoft Copilot Word: Document summarization experience moving
Aug 13, 2026|Microsoft 365 apps
MC1446805
Microsoft Viva: Targeted audience surveys in the Copilot dashboard
Aug 3, 2026|Microsoft Viva
MC1438561
Microsoft Purview Data loss prevention: debug tools activity now visible in managed app rules
Jul 24, 2026|Microsoft Purview
MC1484013
Microsoft Teams: Multi-line call history tabs in the Calls app
Sep 30, 2026|Microsoft Teams
MC1470410
Microsoft Teams: QR code protection for messages from external users
Sep 10, 2026|Microsoft Teams
MC1462921
Calls popout into a new window on the browser to support multi-tasking and collaboration during a meeting
Aug 27, 2026|Microsoft Teams
MC1485411
Microsoft Excel: Excel canvas
Oct 2, 2026|Microsoft 365 apps
MC1486295
Microsoft OneDrive and SharePoint: Generate smart tables of contents for PDFs on the web with Copilot
Oct 2, 2026|SharePoint Online
MC1422063
OneDrive for Business: Improved Windows Desktop sync error messages for max path length
Jul 9, 2026|Microsoft OneDrive
MC1338816Major
New Outlook for Windows becomes available for GCC High and DoD
Jun 3, 2026|Exchange Online
RM573699
SharePoint: Advanced Management - Inactive files policy
Oct 5, 2026|SharePoint
RM573697
OneDrive: Presentation mode for PDFs in the iOS app on iPad
Oct 5, 2026|OneDrive
RM573275
Dynamics 365 Commerce: Add multiple items to a transaction using bulk entry
Oct 5, 2026|Dynamics 365 Commerce
RM573267
Dynamics 365 Contact Center: Quality evaluation - Recurring conversation evaluations
Oct 5, 2026|Dynamics 365 Contact Center
RM573451
Microsoft Teams: Third-party synthetic audio and video (deepfake) detection in Microsoft Teams
Oct 2, 2026|Microsoft Teams
RM573157
Microsoft Teams: Impersonation Protection for Teams meetings
Oct 2, 2026|Microsoft Teams
RM565216
Microsoft Teams: Intelligent call delegation
Sep 30, 2026|Microsoft Teams
RM571687
Microsoft Teams: Add alternate text to images shared from OneDrive and SharePoint
Sep 23, 2026|Microsoft Teams
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