M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 6,208 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
MC1459133
Microsoft Entra ID: Passkey support for B2B users
Aug 21, 2026|Microsoft Entra
MC1450133
Microsoft Entra: Users can register a passkey or passwordless sign-in as their first multifactor authentication method
Aug 7, 2026|Microsoft Entra
MC1465780
Outlook for iOS and Android: Automatically apply email sensitivity labels from labeled attachments
Sep 1, 2026|Exchange Online
MC1461152
Create interactive slides in PowerPoint with Copilot skill (Windows and Mac)
Aug 24, 2026|Microsoft 365 apps
RM573451
Microsoft Teams: Third-party synthetic audio and video detection in Microsoft Teams
Oct 2, 2026|Microsoft Teams
RM573157
Microsoft Teams: Impersonation Protection for Teams meetings
Oct 2, 2026|Microsoft Teams
RM570847
Microsoft Viva: Copilot Analytics - Agent value insights in Agent 365 Dashboard
Sep 8, 2026|Microsoft Viva
RM568786
Microsoft Edge: Inline Switching for Workspaces
Aug 26, 2026|Microsoft Edge
RM568793
Microsoft Edge: Updated horizontal tab appearance
Aug 10, 2026|Microsoft Edge
RM568217
Microsoft Purview: Information Protection - Sensitivity Labels for Microsoft Entra Security Groups
Jul 28, 2026|Microsoft Purview
RM515145
Microsoft Copilot (Microsoft 365): Workforce Insights Agent
Jul 28, 2026|Microsoft Copilot (Microsoft 365)
RM568074
SharePoint: Cross-post SharePoint News to Engage
Jul 22, 2026|SharePoint
RM566699
Microsoft Viva: Discussion Post Previews
Jun 26, 2026|Microsoft Viva
RM566321
Microsoft Purview: Data Loss Prevention - Export DLP and Label Policy Configurations
Jun 18, 2026|Microsoft Purview
RM560338
Excel: Plan Mode for Copilot in Excel
Apr 14, 2026|Excel
RM537284
Microsoft Edge: Adding contextual nudges to the Microsoft 365 Copilot Chat icon
Dec 16, 2025|Microsoft Edge
RM502541
Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Improved discovery of Copilot connector sources in Microsoft 365 Copilot (optionally add chat) with Content Source filter(s)
Sep 22, 2025|Microsoft Copilot (Microsoft 365)
RM489825
Microsoft Copilot (Microsoft 365): Overview of recent comments and changes in Word
May 13, 2025|Word
RM492622
Microsoft 365: The Next Generation of File & Folder Sharing
May 8, 2025|Excel
MC1490912
Microsoft Teams: Call quality feedback surveys for Teams Rooms on Android
Oct 7, 2026|Microsoft Teams
MC1490911Major
Microsoft Edge: Retiring legacy sign-in implementation on Windows
Oct 7, 2026|Microsoft 365 suite
MC1490909
Microsoft Defender Vulnerability Management: Private preview for selected developer package vulnerability coverage
Oct 7, 2026|Microsoft Defender XDR
MC1490906
Microsoft Teams: Analytics for desk utilization in Teams Pro Management portal
Oct 7, 2026|Microsoft Teams
MC1490905
Microsoft Defender for Office 365: Post-delivery protection for malicious QR codes in Microsoft Teams
Oct 7, 2026|Microsoft Defender XDR
MC1490903
'Record A Skill' Capability in PowerPoint Copilot
Oct 7, 2026|Microsoft 365 apps
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