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
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
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
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
MC1401303
Microsoft Teams: New Events templates with "Optimize for large audience" and policy-based behavior
Jun 22, 2026|Microsoft Teams
MC1422063
OneDrive for Business: Improved Windows Desktop sync error messages for max path length
Jul 9, 2026|Microsoft OneDrive
MC1422061MajorAction by Apr 30, 2027
Microsoft Entra ID: Retirement of Custom Controls in Conditional Access and migration to External MFA
Jul 9, 2026|Microsoft Entra
MC1422060
Microsoft Defender for Office 365: Prompt injection protection for email
Jul 9, 2026|Microsoft Defender XDR
MC1422058
Measure Copilot sentiment in the Copilot Dashboard with Viva Pulse
Jul 9, 2026|Microsoft Viva
MC1422057Action by Jul 31, 2026
Update Exchange Web Services (EWS) allow list configuration for calendar
Jul 9, 2026|Microsoft Teams
MC1422054
Microsoft Planner: Task details side pane experience
Jul 9, 2026|Planner
MC1422017
Outlook for Mac: Paragraph options for composing emails
Jul 9, 2026|Microsoft 365 apps
MC1421966
Set and edit your work location from your Outlook Mobile calendar
Jul 9, 2026|Exchange Online
MC1421920Major
Surveys agent retirement and transition to Copilot in Microsoft Forms
Jul 9, 2026|Microsoft Forms
MC1421919
Web content setting in Microsoft 365 Copilot expands across Copilot experiences and moves to Settings
Jul 9, 2026|Microsoft 365 Copilot Chat
MC1421853
Dynamics 365 Finance - Unified e‑invoicing integration framework
Jul 9, 2026|Dynamics 365 Apps
MC1238432
Microsoft 365 Copilot app: Branded footer customization
Feb 25, 2026|Microsoft 365 Copilot Chat
MC1421828
Dynamics 365 Customer Service - WEM in M365 Copilot for CSRs and Supervisors
Jul 9, 2026|Dynamics 365 Apps
MC1421819
Dynamics 365 Contact Center - Manage users through Microsoft Entra security groups
Jul 9, 2026|Dynamics 365 Apps
MC1411574
Microsoft Entra: System-preferred authentication now applies to first-factor authentication
Jul 1, 2026|Microsoft Entra
MC1193692
Microsoft 365: Enrich profile cards with custom properties from third-party systems
Dec 10, 2025|Exchange Online
MC1155311
Viva Engage: Agents in Viva Engage communities Public Preview
Sep 18, 2025|Microsoft Viva
MC1420991
Microsoft Viva: GitHub Copilot spend and usage insights in Copilot Analytics
Jul 9, 2026|Microsoft Viva
MC1420903
Exchange Online will prevent creation of duplicate Dynamic Distribution Groups
Jul 8, 2026|Exchange Online
MC1420901
Notebooks in the M365 Copilot App
Jul 8, 2026|Microsoft 365 apps
MC1420897
Viva Glint: Copilot-enhanced topic assignment for employee feedback comments
Jul 8, 2026|Microsoft Viva
RM567306
Microsoft Teams: Enhanced delegated calling with delegate call access restrictions and join notifications
Jul 7, 2026|Microsoft Teams
RM564608
Microsoft Copilot (Microsoft 365): Support for MCP Agents with Interactive UI Widgets in Government Clouds
May 27, 2026|Microsoft Copilot (Microsoft 365)
RM564605
Outlook: Co-Authoring Highlight and Rewrite
May 26, 2026|Outlook
RM562035
Microsoft Teams: Interpreter - Simultaneous mode enhancements
May 13, 2026|Microsoft Teams
RM561892
Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts for government clouds
May 11, 2026|Microsoft Purview
RM559996
Microsoft Viva: New Overview experience in Agent Dashboard
Apr 7, 2026|Microsoft Viva
RM559482
Microsoft Viva: Recent feed in Viva Engage
Apr 1, 2026|Microsoft Viva
RM558928
Planner: Microsoft Planner tab support for shared and private channels in Microsoft Teams
Mar 23, 2026|Microsoft Teams
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