M365 Archive

Microsoft 365 Message Center Archive

A fast, searchable archive of Microsoft 365 Message Center announcements and Roadmap items. Track tenant-relevant changes, rollout dates, and service updates.

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MC1423118
OneDrive for the web: Document library views now available in OneDrive
Jul 10, 2026|Microsoft OneDrive
MC1423117
Thumbnail view for PDFs is available in OneDrive and SharePoint on the web
Jul 10, 2026|SharePoint Online
MC1423116
Microsoft Outlook for iOS and Android: Clearer Copilot availability in multi-account experiences
Jul 10, 2026|Exchange Online
MC1423115
PDF annotation for sensitivity-label protected PDFs in the OneDrive apps (iOS and Android)
Jul 10, 2026|Microsoft OneDrive
MC1423114
Microsoft Teams: Stricter external access controls for federated chats
Jul 10, 2026|Microsoft Teams
MC1423113
Create, view, and edit Markdown files in OneDrive mobile
Jul 10, 2026|Microsoft OneDrive
MC1423109
Support for the “Get Diagnostics” feature visibility option within M365 Cloud Policy Service for Outlook Mobile and Mac
Jul 10, 2026|Microsoft 365 apps
MC1423108
Microsoft Entra: Improved restore experience for Authenticator passkeys on iOS
Jul 10, 2026|Microsoft Entra
MC1423106Major
Introducing cross-tenant message recall in Exchange Online
Jul 10, 2026|Exchange Online
MC1423105
Introducing Auto-Attendant Call Flow Visualizer in Teams Admin Center
Jul 10, 2026|Microsoft Teams
MC1423103
Copilot Notebooks now supports Markdown (.md) files as grounding sources
Jul 10, 2026|Microsoft 365 apps
MC1423101
M365 Copilot usage reports – updated reporting experience, faster refresh, and more Copilot usage metrics in Graph API
Jul 10, 2026|Microsoft 365 Copilot Chat
MC1269211
Clearer RSVP selection in Outlook Mobile
Apr 3, 2026|Exchange Online
RM567468
Microsoft Teams: Modernized Gallery view in Teams Rooms on Android
Jul 10, 2026|Microsoft Teams
RM566999
Microsoft Copilot Studio: Enable express mode for flows invoked by an agent or app
Jul 10, 2026|Microsoft Copilot (Microsoft 365)
RM567305
Microsoft Teams: Specify who has control of production tools in Teams meetings and events
Jul 8, 2026|Microsoft Teams
RM567302
Microsoft Teams: Ability for IT admins to customize the user notification messages for recording and transcription in calls
Jul 8, 2026|Microsoft Teams
RM567301
Microsoft Teams: New controls for quick views in the chat list
Jul 8, 2026|Microsoft Teams
RM565869
Microsoft Teams: Personal message reminders for chat and channels
Jun 15, 2026|Microsoft Teams
RM564616
Microsoft Purview: Data Loss Prevention - AI Powered Data Loss Prevention Policy Optimizer
Jun 2, 2026|Microsoft Purview
RM561491
Outlook: Copilot Settings in classic Outlook for Windows
May 6, 2026|Outlook
RM545896
Microsoft Copilot (Microsoft 365): Structured Document Generation with Forms
Jan 9, 2026|SharePoint
RM494809
Microsoft Copilot (Microsoft 365): Frontier and Microsoft agent user request approval flow in Microsoft 365 admin center
Jun 5, 2025|Microsoft Copilot (Microsoft 365)
RM486840
Outlook: Import calendars and contacts from PST file to mailbox in new Outlook for Windows
Mar 26, 2025|Outlook
RM486839
Outlook: Import calendars and contacts from PST file to mailbox in new Outlook for Windows
Mar 25, 2025|Outlook
RM485756
Outlook: Read-only access to contacts within a PST file in new Outlook for Windows
Mar 18, 2025|Outlook
RM485740
Outlook: Import emails from PST file to mailbox in new Outlook for Windows
Mar 18, 2025|Outlook
RM480725
SharePoint: AI citations analytics for documents and pages
Feb 14, 2025|SharePoint
MC1392559
Microsoft Teams: Known issue affecting screen sharing on macOS
Jun 15, 2026|Microsoft Teams
MC1309747
Planner is now available in Outlook and Microsoft 365 Copilot
May 13, 2026|Exchange Online
MC1247902
SharePoint: AI citations analytics for documents and pages
Mar 9, 2026|SharePoint Online
MC1401303
Microsoft Teams: New Events templates with "Optimize for large audience" and policy-based behavior
Jun 22, 2026|Microsoft Teams
MC1422074Action by Jul 24, 2026
OpenAI models will soon be available as a subprocessor in Microsoft 365 Copilot
Jul 9, 2026|Microsoft 365 suite
RM566697
OneDrive: PDF annotation for sensitivity-label protected PDFs in the OneDrive apps (iOS and Android)
Jul 9, 2026|OneDrive
MC1319216
Microsoft Teams: In‑meeting toggle to turn Meeting AI on or off
May 22, 2026|Microsoft Teams
RM567472
Microsoft Purview: Insider Risk Management - DS Triage Agent for IRM available in Defender
Jul 9, 2026|Microsoft Purview
RM567470
OneDrive: Exclude specific folders from syncing
Jul 9, 2026|OneDrive
RM567317
Minecraft Education: Learning Cubed Update with Cross-Tenant Multiplayer and Latest Bedrock Features
Jul 9, 2026|Minecraft Education
RM567009
SharePoint: Create new workflows with Copilot in SharePoint
Jul 9, 2026|SharePoint
RM566704
Microsoft 365 app: New Copilot Notebooks design in the Microsoft 365 Copilot App (Android)
Jul 9, 2026|Microsoft 365 app
RM566696
Thumbnail view for PDFs is available in OneDrive and SharePoint on the web
Jul 9, 2026|OneDrive
RM567311
Microsoft Purview: Data Loss Prevention - Collection and DLP Policies for Intune-Policy Managed Apps
Jul 8, 2026|Microsoft Purview
RM566302
Microsoft Viva: Copilot Analytics - Insights in Cowork and WorkIQ spend and usage
Jun 19, 2026|Microsoft Viva
RM564970
Outlook: Improved PDF Preview on iOS
Jun 2, 2026|Outlook
RM558681
Microsoft Purview: Data Loss Prevention – Enrich Defender alerts Graph API with DLP event data
Mar 13, 2026|Microsoft Purview
RM555852
Microsoft Copilot (Microsoft 365): Branded footer in the Microsoft 365 Copilot app
Feb 24, 2026|Microsoft 365
RM505441
Microsoft Copilot (Microsoft 365): Improved content freshness using Copilot connectors with webhooks-led notifications
Oct 31, 2025|Microsoft Copilot (Microsoft 365)
MC1323266
Power BI integration with Microsoft 365 Copilot
May 26, 2026|Power BI
MC1280564
Microsoft Purview: Migration tool in Unified Catalog to migrate classic glossary terms
Apr 15, 2026|Microsoft Purview
MC1422063
OneDrive for Business: Improved Windows Desktop sync error messages for max path length
Jul 9, 2026|Microsoft OneDrive
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