Microsoft 365 Message Center

Microsoft Entra introduces cross-tenant security group synchronization, enabling centralized management and shared access across tenants. Public Preview starts late January 2026; general availability in late April 2026. Admins must opt in and configure attribute mappings and access policies. No c...

Site attestation policy is now generally available, enabling SharePoint admins to require site owners to periodically verify site ownership, membership, and sharing settings. This helps reduce compliance risks and prevent oversharing. The feature is off by default and requires admin setup with co...

We've released updates to the following update channel for Microsoft

We are announcing the ability for admins to view security role information

The Dynamics 365 Field Service application is scheduled for a new release

Express voice enrollment in Microsoft Teams enables quick voice profile registration for enhanced meeting features. It rolls out to enterprise tenants (excluding EDU) starting February 2026, is on by default, and can be managed by admins via PowerShell. Organizations should review policies and co...

Microsoft Teams now supports apps in Private Channels, allowing bots, tabs, and message extensions with new governance controls. Rollout starts mid-January 2026. Admins and developers must update policies and apps for Private Channel compatibility, ensuring compliance with data and permission cha...

Microsoft 365 Copilot's Calendar Search lets users quickly find meetings by natural language queries, showing full context like attendees, discussions, files, and follow-ups. Rolling out worldwide from October to December 2025, it respects existing security, compliance, and data governance polici...

The Featured Links feature on the SharePoint Start Page will be retired from March to June 2026 due to low use. Admins will lose access, and existing links will be removed. Alternatives include global navigation links and Viva Connections Resources. Organizations should plan and communicate this ...

A new Permissions report in the SharePoint admin center (under Data access governance) will show which sites a user can access, including direct or group-based permissions. Rolling out worldwide from mid-December 2025 to mid-January 2026, it requires no configuration and aids permission reviews.

The Designer bot and Designer banners in Microsoft Teams will be retired between mid-January and February 27, 2026. Users can no longer use these features but can generate images via Copilot in Teams. No admin action is needed; notify users and update documentation accordingly.

Starting March 1, 2026, devices using Exchange ActiveSync versions below 16.1 cannot connect to Exchange Online. Organizations must update mobile devices and apps to EAS 16.1 or higher. Outlook Mobile and Exchange Server are unaffected. Admins can identify outdated devices via PowerShell and shou...