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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MessageActions
MC1420635
Dynamics 365 Contact Center – Privileges and role-based access
Jul 8, 2026|Dynamics 365 Apps
MC1420564
Dynamics 365 Sales - Enable Automatic CRM Record Linking and Suggested Updates for Accounts, Contacts, and Leads
Jul 8, 2026|Dynamics 365 Apps
RM566470
Microsoft Viva: Insights for GitHub Copilot spend and usage
Jun 23, 2026|Microsoft Viva
RM567306
Microsoft Teams: Enhanced delegated calling with delegate call access restrictions and join notifications
Jul 7, 2026|Microsoft Teams
RM567010
Microsoft Purview: Data Loss Prevention - User Based Aggregation of DLP Alerts
Jul 7, 2026|Microsoft Purview
RM562662
Microsoft 365 app: New Copilot Notebooks design in the Microsoft 365 Copilot App
May 27, 2026|Microsoft 365 app
RM567319
Outlook: Categorize Emails by Dragging Them onto a Favorite Category
Jul 7, 2026|Outlook
RM567318
Outlook: Reply with a Template in Rules
Jul 7, 2026|Outlook
RM567315
Planner: Capabilities in Microsoft Cowork
Jul 7, 2026|Planner
RM567313
Microsoft Purview: Data Lifecycle Management - Graph API Support for Archive Mailboxes
Jul 7, 2026|Microsoft Purview
RM566859
Microsoft Copilot Studio: Use SharePoint lists as a knowledge source
Jul 7, 2026|Microsoft Copilot (Microsoft 365)
RM565863
OneNote: Copilot Notebook in OneNote on Mac
Jun 12, 2026|OneNote
RM562993
Endpoint Data Loss Prevention — Endpoint DLP now supports a pre curated list of file extensions for the file extension condition
May 27, 2026|Microsoft Purview
RM562992
Microsoft Purview: Endpoint Data Loss Prevention – Ability to protect files stored in the excluded folders in Windows
May 26, 2026|Microsoft Purview
RM562991
Microsoft Purview: Endpoint Data Loss Prevention - Allow customer to scope JIT Audit to specific user or user group
May 26, 2026|Microsoft Purview
RM561551
Microsoft Edge: Intune MAM Protected Downloads
May 12, 2026|Microsoft Edge
RM561490
Microsoft Teams: Connect Teams meeting to existing Planner Plans
May 11, 2026|Microsoft Teams
RM560399
Microsoft Purview: Insider Risk Management - Microsoft Fabric, Cloud storage, cloud service activities as triggers
Apr 15, 2026|Microsoft Purview
RM558684
Microsoft Purview: Information Protection - Sensitivity label support in Engage
Mar 18, 2026|Microsoft Purview
RM558687
Microsoft Purview: Information Protection - Policy sync status for M365 Label publishing policies
Mar 16, 2026|Microsoft Purview
RM558686
Microsoft Purview: Information Protection - Sensitivity label inheritance for Teams meeting artifacts
Mar 16, 2026|Microsoft Purview
RM558685
Microsoft Purview: Information Protection - Exclude modern groups / include dynamic security groups support for sensitivity label policies
Mar 16, 2026|Microsoft Purview
RM557681
Microsoft Copilot (Microsoft 365): Intelligent Summaries in Copilot Dashboard
Mar 16, 2026|Microsoft Viva
RM558108
Microsoft Teams: Catch up on conversations in Microsoft Teams mobile
Mar 5, 2026|Microsoft Teams
RM557975
Microsoft Teams: One-time email passcodes for external presenters in Teams events
Mar 4, 2026|Microsoft Teams
RM552598
Microsoft Edge: Improvements to site permissions user interfaces
Feb 13, 2026|Microsoft Edge
RM557189
Microsoft Purview: Insider Risk Management – Ability to preview content in Insider Risk Management Alerts
Feb 12, 2026|Microsoft Purview
RM526796
Microsoft Purview: Information Protection- New Summary Metrics in Content Explorer for Unscanned Files and Classification History Details
Nov 7, 2025|Microsoft Purview
RM486695
Microsoft Copilot (Microsoft 365): Copilot Prompt Gallery - Company-wide prompt publishing
Mar 24, 2025|Excel
MC1419802
Microsoft Teams: New layout for sharing content in Teams events
Jul 7, 2026|Microsoft Teams
MC1419801
Microsoft Viva Insights: Is Active filter no longer applied by default in new Advanced Insights queries
Jul 7, 2026|Microsoft Viva
MC1419800
SharePoint button web part: Add custom Copilot in SharePoint prompts or start Power Automate flows
Jul 7, 2026|SharePoint Online
MC1419799
Configurable recovery window for Microsoft 365 Backup
Jul 7, 2026|Microsoft 365 suite
MC1419798Major
Microsoft Teams Rooms: Identify in-room participants with IntelliFrame people labels
Jul 7, 2026|Microsoft Teams
MC1419797Major
Microsoft Purview | Data Loss Prevention - Extend Purview data security to the network layer via Entra GSA integration
Jul 7, 2026|Microsoft Purview
MC1419795
PowerPoint for the web: One‑click “Review Presentation” and “Visualize Slide” Copilot skills in the ribbon
Jul 7, 2026|Microsoft 365 for the web
MC1266912
Microsoft 365 Copilot: Intelligent Summaries in Copilot Dashboard
Mar 31, 2026|Microsoft Viva
MC1293480MajorAction by Jul 31, 2026
Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
Apr 27, 2026|Exchange Online
MC1404310
Microsoft Viva: Copilot Analytics – Manager role license requirement update for team views
Jun 25, 2026|Microsoft Viva
MC1197145
Microsoft Teams: Apps now supported in Private Channels
Dec 15, 2025|Microsoft Teams
MC1279093Major
Microsoft Defender for Office 365: Enhancing how we handle promotional mail
Apr 13, 2026|Microsoft Defender XDR
MC1384420
Microsoft Purview | Endpoint Data Loss Prevention - Ability to protect files stored in the excluded folders in Windows
Jun 8, 2026|Microsoft Purview
MC1384415
Microsoft Purview | Endpoint Data Loss Prevention now supports a pre‑curated file extension list
Jun 8, 2026|Microsoft Purview
MC1387575
Microsoft Purview | Endpoint Data Loss Prevention: Scope Just-in-time audit by user or group
Jun 11, 2026|Microsoft Purview
MC1330888Major
Upcoming change to Microsoft Defender for Endpoint Advanced Hunting: removal of SMB signature data
Jun 1, 2026|Microsoft Defender XDR
MC1409042
Microsoft OneNote: Copilot notebook available in OneNote on Mac
Jun 29, 2026|Microsoft 365 apps
MC1413298
Roadmap information for Microsoft Copilot Studio and agents transitioning to the Microsoft 365 Roadmap
Jul 3, 2026|Microsoft 365 suite
MC1317195
Microsoft Copilot Notebooks: Introducing Infographics
May 20, 2026|Microsoft 365 apps
MC1217640
Microsoft Purview | Information Protection - Content Explorer: Unscanned data and Classification History summary metrics
Jan 14, 2026|Microsoft 365 suite
MC1266027
Microsoft Teams: New experience when users minimize the meeting window
Mar 30, 2026|Microsoft Teams
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