Microsoft 365 Message Center ArchiveM365 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
RM564621
Microsoft Purview: Insider Risk Management - Unified alert queue
May 27, 2026|Microsoft Purview
RM564620
Microsoft Purview: Insider Risk Management - Expanding note capabilities across alerts & cases
May 27, 2026|Microsoft Purview
RM564619
Microsoft Purview: Insider Risk Management - Enhanced user profile in IRM alerts
May 27, 2026|Microsoft Purview
RM564610
Outlook: Variable number of message preview lines
May 27, 2026|Outlook
RM564609
Outlook: All Accounts view (Unified Inbox) brings your email into a single inbox view
May 27, 2026|Outlook
RM564608
Microsoft Copilot (Microsoft 365): Support for MCP Agents with Interactive UI Widgets in Government Clouds
May 27, 2026|Microsoft Copilot (Microsoft 365)
RM564607
Microsoft Copilot (Microsoft 365): MCP-Based Agent Enablement for U.S. Government Clouds
May 27, 2026|Microsoft Copilot (Microsoft 365)
RM564606
Microsoft Copilot (Microsoft 365): Declarative agents with Actions available in GCC High and DoD
May 27, 2026|Microsoft Copilot (Microsoft 365)
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
RM562662
Microsoft 365 app: New Copilot Notebooks design in the Microsoft 365 Copilot App
May 27, 2026|Microsoft 365 app
RM561914
Microsoft Teams: Mandatory pre-meeting consent
May 27, 2026|Microsoft Teams
RM561204
Planner: My Tasks redesign
May 27, 2026|Planner
RM560539
Microsoft Copilot (Microsoft 365): Dataverse data connected to Microsoft 365 Copilot
May 27, 2026|Microsoft Copilot (Microsoft 365)
RM562340
Microsoft Teams: Preloaded video for Teams Events and Meetings
May 14, 2026|Microsoft Teams
RM561489
Microsoft Purview: Data Security Investigations – Introducing OCR support
May 4, 2026|Microsoft Purview
RM560550
Exchange: Dynamic distribution groups now populate membership faster on creation and modification
Apr 27, 2026|Exchange
RM560816
Microsoft Teams: Quick Share for Images
Apr 24, 2026|Microsoft Teams
RM560814
Microsoft Teams: Search in quick sharing experience
Apr 24, 2026|Microsoft Teams
RM560813
Microsoft Teams: Unblock users to send message while file is uploading in the background
Apr 24, 2026|Microsoft Teams
RM560695
Outlook: Teammates Calendars in Left Nav in calendar
Apr 22, 2026|Outlook
RM560547
Microsoft Teams: Report external users for security concerns in Teams
Apr 17, 2026|Microsoft Teams
RM560076
SharePoint: Create charts on pages with AI
Apr 9, 2026|SharePoint
RM558340
Microsoft Teams: Account Switching for Native Mac Controls via Dock and Menu Bar
Mar 6, 2026|Microsoft Teams
RM557179
Microsoft Teams: Minimized meeting window enhancements
Mar 5, 2026|Microsoft Teams
RM557169
Microsoft Teams: Simplified Teams app bar to create a cleaner and more focused experience.
Feb 12, 2026|Microsoft Teams
RM553594
Built‑in AI Interpreter for Calls on Teams Phone Devices
Feb 11, 2026|Microsoft Teams
RM553590
Microsoft Teams: Teams Phone Device user multi-line
Feb 6, 2026|Microsoft Teams
RM529858
Microsoft Copilot (Microsoft 365): Copilot Shortcuts for Pages on Mobile
Dec 2, 2025|Microsoft 365 app
RM531758
Microsoft Copilot (Microsoft 365): Now smarter with visuals: Declarative Agents leverage embedded images for richer, more accurate answers
Nov 21, 2025|Microsoft Copilot (Microsoft 365)
RM518288
Outlook: Support for Storing S/MIME Certificates in Contacts in New Outlook
Oct 24, 2025|Outlook
RM515160
Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Customers can connect M365 Copilot with 15Five to surface team priorities and recognition with Copilot Connector
Oct 23, 2025|Microsoft Copilot (Microsoft 365)
RM516040
Microsoft Copilot (Microsoft 365): Web Link as a Reference in Copilot Notebooks
Oct 15, 2025|Microsoft 365 app
RM510100
Microsoft 365 app: Add Search results as references to your Copilot Notebooks in the M365 Copilot app
Oct 3, 2025|Microsoft 365 app
RM506744
Microsoft 365: Department Billing for Microsoft 365 Backup
Sep 26, 2025|Microsoft 365
RM488091
Microsoft Teams: Unified attachment flow on Teams Mobile
Apr 5, 2025|Microsoft Teams
MC1323270
Microsoft Teams: Secure Reliable Transport (SRT) support for Teams meetings and events
May 26, 2026|Microsoft Teams
MC1324288MajorAction by Jul 31, 2026
Microsoft 365 Usage Analytics Power BI template app will be retired
May 27, 2026|Microsoft 365 suite
MC1324287
Microsoft Teams: Teams Rooms Builder in the Pro Management portal
May 27, 2026|Microsoft Teams
MC1324286Major
Microsoft Teams: Profanity filter disabled by default for live captions
May 27, 2026|Microsoft Teams
MC1324285
Microsoft Defender XDR: Password protection account action buttons
May 27, 2026|Microsoft Defender XDR
MC1324284
New entry points for "Create pages with AI in SharePoint"
May 27, 2026|SharePoint Online
MC1324282
Support for disabling file previews in Microsoft Teams
May 27, 2026|Microsoft Teams
MC1324281
PowerPoint Live adds the ability to reload updated presentations during meetings
May 27, 2026|Microsoft Teams
MC1324280
Assign open shifts in Microsoft Teams Shifts
May 27, 2026|Microsoft Teams
MC1324279
Save your event as template to reuse event configurations
May 27, 2026|Microsoft Teams
MC1318851
PowerPoint for Web: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1318852
PowerPoint for Windows Desktop: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1318854
PowerPoint for Mac: 'Prepare for Questions' skill in Copilot
May 22, 2026|Microsoft 365 apps
MC1309744
Microsoft Teams: Report external users for security concerns
May 13, 2026|Microsoft Teams
MC1323250MajorAction by Jul 30, 2026
[Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport
May 26, 2026|Exchange Online
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