Microsoft 365 Message Center

Microsoft Teams now supports SlimCore-based optimization for Citrix VDI, offering better performance and new features. Admins must update Citrix Studio policies to whitelist virtual channels (MSTEAMS, MSTEAM1, MSTEAM2) and deploy the Citrix Plugin. WebRTC optimization will be deprecated in the fu...

Microsoft Defender for Identity will add new Secure Score improvement actions by late 2025 to better identify identity risks. These include identifying privileged service accounts, removing stale AD accounts, and disabling Entra Seamless SSO. No admin action is needed, but review configurations a...

Starting October 2025, Microsoft will automatically install the Microsoft 365 Copilot app on Windows devices with Microsoft 365 desktop apps, except in the EEA. The app appears in the Start menu, enabled by default, with admins able to opt out and prepare users accordingly.

Microsoft 365 is introducing an AI Admin Role for Copilot Search, enabling designated admins to manage AI-powered search across tenants. Rolling out worldwide mid-September 2025, it’s on by default for eligible licenses. Admin access is controlled via Microsoft Entra ID, enhancing governance and ...

Teams Premium will introduce "Manage what attendees see" for town halls, allowing organizers to customize layouts, backgrounds, theme colors, and name tags. Available from late October 2025, it applies to Windows, Mac, web, and Teams Rooms, enhancing attendee experience without requiring admin ac...

Microsoft Defender for Office 365 will streamline the email entity page by opening emails in a shared tab with retained navigation and unique URLs. Rolling out from September to November 2025, this affects licensed security analysts and administrators, requiring no user action but may need helpde...

Microsoft Word's eSignature feature will support free text fields starting October 2025, allowing users to collect custom signer information. This feature is on by default for tenants with eSignature enabled, requires no admin changes, and has no impact unless eSignature is active.

SharePoint Embedded will introduce a new default filtering feature by sensitivity labels for containers, rolling out worldwide from late October to November 2025. Admins can better organize containers without impacting user workflows. Organizations should review label taxonomies and update docume...

New PowerShell cmdlets for managing SharePoint Embedded container membership will roll out worldwide from late September to October 2025. Administrators can add, update, or remove users via PowerShell without using the SharePoint Admin Center. Update your PowerShell module and inform your team to...

SharePoint Embedded will allow admins to update the principal owner of user-owned containers via the SharePoint Admin Center or PowerShell starting late September 2025. This helps manage ownership during user or team changes, requires no opt-in on SPAC, and needs PowerShell updates. No compliance...

We have a minor service update planned for your Microsoft Dataverse environment

🚨Major Update: This post contains a significant change that may impact your