M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 6,174 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
MC1469551
Teams admin center device state rules and health alerts retire; use Teams Rooms Pro Management portal
Sep 9, 2026|Microsoft Teams
MC1279093Major
Microsoft Defender for Office 365: Enhancing how we handle promotional mail
Apr 13, 2026|Microsoft Defender XDR
MC1485411
Microsoft Excel: Excel canvas
Oct 2, 2026|Microsoft 365 apps
MC1485169
Dynamics 365 Contact Center - Use role-based enforcement for recording and transcription downloads
Oct 2, 2026|Dynamics 365 Apps
MC1485120
Microsoft Outlook: Right-click to customize the classic ribbon
Oct 1, 2026|Exchange Online
RM573244
Dynamics 365 Finance and Operations cross-app: Migrate finance and operations environments from Lifecycle Services to Power Platform admin center
Oct 1, 2026|Dynamics 365 Finance
RM573156
Microsoft Teams: Start side conversations during meetings
Oct 1, 2026|Microsoft Teams
RM569721
Microsoft Purview: Data Lifecycle Management – Ensure regulatory compliance by deleting inactive OneDrives and mailboxes for departing employees
Oct 1, 2026|Microsoft Purview
RM569432
Microsoft Entra ID: Passkey support for B2B users
Oct 1, 2026|Microsoft Entra
RM565216
Microsoft Teams: Intelligent call delegation
Sep 30, 2026|Microsoft Teams
RM571692
Microsoft Edge: Updated performance information in tab hover cards
Sep 28, 2026|Microsoft Edge
RM569421
Microsoft Teams: Malicious URL Protection for Teams Chat and Channels for Gov clouds
Aug 14, 2026|Microsoft Teams
RM568762
Microsoft Copilot Studio: Agent Readiness in Microsoft Copilot Studio
Aug 6, 2026|Microsoft Copilot Studio
RM568078
Microsoft Teams: Badges in Profile Card in Teams
Aug 5, 2026|Microsoft Teams
RM568369
Microsoft 365: [Education] Assign Different Content to Learning Groups in a Single Assignment
Jul 31, 2026|Microsoft 365
RM566865
Microsoft Purview compliance portal: Admin assignment time limit
Jul 1, 2026|Microsoft Purview
RM566529
Microsoft Purview: View only Role management enhancements
Jun 23, 2026|Microsoft Purview
RM560548
Microsoft Viva: Viva Glint - Configure user and survey data retention for deleted users in Viva Glint
Apr 17, 2026|Microsoft Viva
RM559613
Microsoft Copilot (Microsoft 365): Copilot Chat can now better match search results from Scanned PDFs
Apr 13, 2026|Microsoft Copilot (Microsoft 365)
RM515465
Microsoft Teams: Adaptive card-based app & copilot agent link unfurling in Teams
Oct 16, 2025|Microsoft Teams
RM513275
Microsoft Viva: Engage Community feed improvements
Oct 14, 2025|Microsoft Viva
RM493752
Microsoft Purview compliance portal: Cloud Attachments preservation for users on hold
May 27, 2025|Microsoft Purview
RM492622
Microsoft 365: The Next Generation of File & Folder Sharing
May 8, 2025|Excel
MC1485116
Microsoft Exchange Online: Exchange Web Services (EWS) enforcement update for EWSAllowedAppIDs
Oct 1, 2026|Exchange Online
MC1187781
Viva Engage: Community feeds improvements
Nov 18, 2025|Microsoft Viva
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