M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 6,000 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
MC1317197Major
Microsoft Teams: A refreshed in-meeting experience with simpler controls and a smarter share panel
May 20, 2026|Microsoft Teams
MC1461165
Microsoft Teams: Facilitator can join channel meetings
Aug 24, 2026|Microsoft Teams
MC999442
Microsoft Purview | Data Lifecycle Management: Retention based on “last accessed” for OneDrive and SharePoint files
Feb 7, 2025|Microsoft Purview
MC1470424
Microsoft Viva Engage: New left navigation controls for collapsing, resizing, and managing favorites
Sep 10, 2026|Microsoft Viva
MC1409042
Microsoft OneNote: Copilot notebook available in OneNote on Mac
Jun 29, 2026|Microsoft 365 apps
MC1472591
Enhanced security and access controls for Outlook attachments
Sep 15, 2026|Exchange Online
MC1477282
Updates available for Microsoft 365 Apps for Current Channel
Sep 23, 2026|Microsoft 365 apps
MC1477187
Microsoft OneDrive: OneDrive sync supports up to 1 million items on macOS
Sep 22, 2026|Microsoft OneDrive
MC1477186Major
Microsoft Agent 365: Simplified Agent 365 CLI setup experience
Sep 22, 2026|Microsoft 365 suite
MC1477185Major
Microsoft OneDrive: New pay-as-you-go storage billing option
Sep 22, 2026|Microsoft OneDrive
MC1477184
Microsoft 365 admin center: Agent Registry consolidates duplicate agent entries and adds version history
Sep 22, 2026|Microsoft 365 suite
MC1477182
Microsoft Purview: Data Loss Prevention for Microsoft Cowork
Sep 22, 2026|Microsoft Purview
MC1477181
Microsoft Purview | Information Protection: Apply default SharePoint library sensitivity labels to data at rest
Sep 22, 2026|Microsoft 365 suite
RM571303
Dynamics 365 Project Operations: Transaction Journals
Sep 22, 2026|Dynamics 365 Project Operations
RM570964
Microsoft Copilot (Microsoft 365): Federated Copilot Connectors will support write, update and delete actions
Sep 22, 2026|Microsoft Copilot (Microsoft 365)
RM570861
Dynamics 365 Field Service: Choose how work order services flow into project financials
Sep 22, 2026|Dynamics 365 Field Service
RM570962
Microsoft Teams: Multi-line call history tabs in the Calls app
Sep 9, 2026|Microsoft Teams
RM570843
Microsoft Teams: Upgraded call history in Teams Calls app
Sep 9, 2026|Microsoft Teams
RM570648
Microsoft Teams: Analytics for desk utilization on Teams Pro Management portal
Sep 9, 2026|Microsoft Teams
RM559605
Microsoft Teams: Improved organization for muted and meeting chats
Apr 1, 2026|Microsoft Teams
RM558254
Microsoft Teams: Improved copy and paste support for @mentions and shared contacts
Mar 6, 2026|Microsoft Teams
RM555890
Microsoft Copilot (Microsoft 365): Attach and reference an image when creating a presentation with Copilot in PowerPoint using Agent Mode.
Feb 11, 2026|PowerPoint
RM555881
Microsoft Copilot (Microsoft 365): Attach and reference an image when creating a presentation with Copilot in PowerPoint using Agent Mode.
Feb 11, 2026|PowerPoint
RM553594
Built‑in AI Interpreter for Calls on Teams Phone Devices
Feb 11, 2026|Microsoft Teams
RM522616
Microsoft Copilot (Microsoft 365): Ask Copilot about highlighted response content
Oct 31, 2025|Microsoft Copilot (Microsoft 365)
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