M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 6,767 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
MC1530611
Office in Copilot brings the full power of Office into the Microsoft Copilot app
Oct 29, 2026|Microsoft 365 Copilot Chat
MC1381121
Microsoft Purview | Endpoint Data Loss Prevention: Policy sync and device health AI skill
Jun 5, 2026|Microsoft Purview
MC1465768
Microsoft Teams: Users can temporarily pause all notifications
Sep 1, 2026|Microsoft Teams
MC1526651
Microsoft Teams: Malicious QR code detection in messages
Oct 26, 2026|Microsoft Teams
MC1537353
Microsoft Teams: Invite attendees to register
Nov 3, 2026|Microsoft Teams
MC1508234
Microsoft Teams: Automatic recording and transcription options align with admin policies
Oct 14, 2026|Microsoft Teams
MC1506734Major
Microsoft Teams: Video sharing from OneDrive in Teams events
Oct 13, 2026|Microsoft Teams
MC1546438MajorAction by Dec 9, 2026
Action may be required: Claude models in Copilot are coming into the EU Data Boundary and will be enabled by default
Nov 10, 2026|Microsoft 365 Copilot Chat
MC1546447
Microsoft Defender for Office 365: Updated recipient inclusion logic for threat protection policies
Nov 10, 2026|Microsoft Defender XDR
MC1546430
'Add explainer video' Skill in PPT Copilot
Nov 10, 2026|Microsoft 365 apps
MC1546429Action by Dec 8, 2026
Power BI retiring standalone Copilot experiences (preview)
Nov 10, 2026|Power BI
MC1489971
Microsoft Purview DLP: Improved setup and Intune multi-admin approval support for unmanaged apps in Edge for Business
Oct 6, 2026|Microsoft Purview
MC1546411
Retirement of Viva Insights (personal insights) and Viva Learning usage reports
Nov 10, 2026|Microsoft 365 suite
MC1546409Major
Microsoft Teams: Retirement of off-network invitations to Teams Free
Nov 10, 2026|Microsoft Teams
MC1506730
Classic Outlook for Windows: Upcoming visual improvements and a more consistent Outlook experience
Oct 13, 2026|Exchange Online
MC1330893
Pay-as-you-go consumption-based meter for your extra SharePoint storage needs
Jun 1, 2026|SharePoint Online
MC1473155
Microsoft Purview: permissions audit log improvements
Sep 16, 2026|Microsoft Purview
MC1478975
Microsoft 365 Copilot: Use Microsoft Agent 365 agents as connected agents in declarative agents
Sep 25, 2026|Microsoft 365 Copilot Chat
MC1509799
Microsoft 365 Copilot: Legal plugins in Word and Cowork
Oct 15, 2026|Microsoft 365 apps
MC1530595
Microsoft Copilot Feedback UX update
Oct 29, 2026|Microsoft 365 Copilot Chat
MC1146821
Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users
Sep 2, 2025|Microsoft 365 Copilot Chat
MC1446796MajorAction by Oct 1, 2026
Migrate Free/Busy, MailTips, and Calendar Sharing before EWS deprecation
Aug 3, 2026|Exchange Online
MC1545696
Microsoft OneDrive and SharePoint: Annotate sensitivity-label protected PDFs on the web
Nov 9, 2026|SharePoint Online
MC1545695
App Blocks in M365 Copilot
Nov 9, 2026|Microsoft 365 Copilot Chat
MC1545694
Microsoft Entra: Updated passkey registration experience in My Sign-ins
Nov 9, 2026|Microsoft Entra
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