Microsoft 365 Message Center

Outlook Mobile will allow users to customize the multi-select toolbar to reorder actions like Move, Report Junk, Ignore, Pin, and Snooze for multiple emails. This update rolls out worldwide from December 2025 to January 2026, requiring no admin action or compliance changes.

Microsoft 365 Copilot introduces the Explore Pane, a new side panel offering guided, contextual steps in Create, Search, and Notebooks modules to help users use Copilot effectively. It rolls out worldwide from mid-November 2025, is on by default, and requires no admin action.

The TeamworkDevice (beta) API in Microsoft Graph will be retired starting December 8, 2025. Organizations should transition to managing Teams Rooms on Windows via the Teams Rooms Pro Management Portal (PMP), which will consolidate management for all Teams device types. No admin action is required...

By December 2, 2025, update firewall configurations to include new Azure Front Door IP addresses for Microsoft Intune. Add the service tag “AzureFrontDoor.MicrosoftSecurity” to allow outbound traffic on port 443. Do not remove existing Intune endpoints to ensure uninterrupted device and app manag...

By December 2, 2025, update firewall allowlists to include Azure Front Door IP addresses tagged “AzureFrontDoor.MicrosoftSecurity” for Microsoft Intune and Basic Mobility and Security. Do not remove existing endpoints. Use the consolidated Intune endpoint list; previous scripts are outdated. Noti...

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By December 13, 2025, update Microsoft Sentinel analytic rules, automation, workbooks, and queries to use the new account entity naming precedence: UPN prefix → name → display name. Use coalesce patterns to avoid issues in incidents, alerts, dashboards, and playbooks relying on account names. Tes...

Microsoft Viva Engage introduces flexible, precise audience targeting for Storyline Announcements, allowing leaders to define custom audiences using organizational attributes, groups, or individuals at posting time. Public preview starts mid-November 2025; general availability begins February 202...

Microsoft will retire the ability to create App-V packages for Microsoft 365 Apps starting January 13, 2026, focusing on Click-to-Run deployment instead. Existing App-V packages will still work, but new ones cannot be created with updated tools. Organizations should transition to Click-to-Run bef...

Microsoft 365 Copilot enhances Read Aloud with real-time voice Q&A, allowing users to interactively ask questions during document reading. Available worldwide from late November to December 2025, this feature requires a Copilot license and is enabled by default without admin changes.

Microsoft 365 Copilot will introduce real-time voice interactions in Podcast, enabling users to engage in dynamic, conversational audio experiences by asking questions during document-based podcasts. This feature, rolling out worldwide from late November to December 2025, will be on by default fo...