M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of 5,848 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
MC1454108
Microsoft 365 Copilot app update: Simpler Copilot access
Aug 13, 2026|Microsoft 365 Copilot Chat
MC1459143
Communicator app enters Public Preview
Aug 21, 2026|Microsoft Teams
MC1459141
Microsoft Teams: Admin policy to automatically block identified external meeting bots from joining meetings
Aug 21, 2026|Microsoft Teams
MC1459138
Microsoft Teams: Local Pan-tilt-zoom (PTZ) controls for Microsoft Teams Rooms on Windows
Aug 21, 2026|Microsoft Teams
MC1459136
Microsoft 365 admin center: Usage reports migrating to new domains
Aug 21, 2026|Microsoft 365 suite
MC1459133
Microsoft Entra ID: Passkey support for B2B users
Aug 21, 2026|Microsoft Entra
MC1459132MajorAction by Sep 24, 2026
Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG)
Aug 21, 2026|Microsoft 365 suite
MC1459131
Microsoft Teams: Prepare custom apps for private and shared channel compatibility
Aug 21, 2026|Microsoft Teams
MC1459130
Improved capabilities for files with Copilot in OneDrive Web
Aug 21, 2026|Microsoft OneDrive
MC1459129
Microsoft Viva: Viva Learning retirement of Microsoft 365 training content
Aug 21, 2026|Microsoft Viva
RM569733
Planner: Capacity view
Aug 21, 2026|Planner
RM569612
Microsoft Purview: Data Lifecycle Management – Retention for Copilot Memory
Aug 21, 2026|Microsoft Purview
RM569420
Microsoft Teams: Coordinated meetings support on Teams Rooms on Android
Aug 21, 2026|Microsoft Teams
RM567120
Microsoft Copilot (Microsoft 365): Microsoft 365 admin center – New Microsoft 365 Copilot usage report for GCC High & DoD
Jul 6, 2026|Microsoft Copilot (Microsoft 365)
RM565860
Microsoft Edge: Sign in to Edge with a Google account
Jun 16, 2026|Microsoft Edge
RM562340
Microsoft Teams: Preloaded video for Teams Events and Meetings
May 14, 2026|Microsoft Teams
RM559021
Microsoft Copilot (Microsoft 365): Work IQ APIs – Unified REST Endpoint for Agents and Workflows
May 5, 2026|Microsoft Copilot (Microsoft 365)
RM555897
Microsoft Copilot (Microsoft 365): Reference files saved in SharePoint libraries and OneDrive folders when creating a presentation with Agent Mode in PowerPoint
Mar 2, 2026|PowerPoint
RM555895
Microsoft Copilot (Microsoft 365): Reference files saved in SharePoint libraries and OneDrive folders when creating a presentation with Agent Mode in PowerPoint
Mar 2, 2026|PowerPoint
RM555894
Microsoft Copilot (Microsoft 365): Reference files saved in SharePoint libraries and OneDrive folders when creating a presentation with Agent Mode in PowerPoint
Feb 11, 2026|PowerPoint
RM555888
Microsoft Copilot (Microsoft 365): Reference an email with Work IQ when using Edit with Copilot in PowerPoint to create a presentation
Feb 11, 2026|PowerPoint
MC1387578
Microsoft Defender for Office 365: Localized default mark and notify email template
Jun 11, 2026|Microsoft Defender XDR
MC1319216
Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off
May 22, 2026|Microsoft Teams
MC1458484
Filter Messages by Events
Aug 21, 2026|Exchange Online
MC1458483
OneDrive macOS Native Sync Engine
Aug 21, 2026|Microsoft OneDrive
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