Microsoft 365 Message Center

Maintenance window start: August 9, 2025, at 6:00 PM UTC Maintenance

Microsoft Teams will retire several Chat Copilot smart actions ("Summarize what I missed," "What are the open items?" and "What decisions were made?") and the Add to Group Chat Coachmark between late August and early September 2025. No admin action is needed; users will lose access to these featu...

Starting August 31, 2025, Microsoft Purview requires Exchange Online PowerShell v3.9.0+ and the -EnableSearchOnlySession parameter for specific eDiscovery cmdlets to enhance security. This change doesn't affect the Purview portal and remains incompatible with Certificate-Based Authentication. Upd...

The "Transform to Web Page" feature in Microsoft Word will retire on September 30, 2025. Users should switch to the "Start from a Document" flow in Microsoft Sway for creating web content. No admin action is needed, but users should be notified and documentation updated.

OneDrive is renaming its offline mode background process and updating its icon to align with branding. Changes in sync version 25.145.0727.0001 include new process and task names on Windows and Mac. Rollout starts and completes in late August 2025. Update custom tools and inform IT teams accordin...

New admin controls in Microsoft Clipchamp and Stream allow management of video creation and distribution via five policy settings, including AI text-to-speech, webcam/screen recording, local downloads, and Clipchamp Premium upgrades. Policies enforce compliance by hiding or disabling related UI e...

GPT-5 is now available in Microsoft 365 Copilot and Copilot Studio, offering dynamic model selection for faster or deeper responses. Users with a Copilot license get priority access via a toggle in Copilot Chat. No admin action is needed, but informing users and updating documentation is recommen...

Microsoft Purview will introduce a new Service health dashboard in its compliance portal by mid-October 2025, enabling administrators to monitor real-time service health for Purview, Microsoft 365, and Azure services, and submit issues directly. The feature is enabled by default and requires no p...

Microsoft Teams will introduce a dedicated download option to track all webinar registrants, enhancing visibility and reporting. Available by default from August to mid-September 2025, it requires no user impact or preparation. No compliance issues are identified.

The new SharePoint Agent Link Web Part lets site owners embed clickable links to AI agents on pages, opening them in a sidecar for contextual help. Available under the AI category, it rolls out worldwide August 2025, enhancing discoverability and requiring appropriate Microsoft 365 Copilot licenses.

Microsoft Lens mobile app will retire starting September 15, 2025, with new installs disabled by mid-October and removal by mid-November. After December 15, 2025, new scans can't be created. Users should switch to Microsoft 365 Copilot app for scanning; no admin action is required.

Starting September 9, 2025, the ‘Mobile devices’ settings page will be removed from Outlook Web Access and new Outlook. Users must manage mobile devices via Microsoft Intune, the My Account portal, or native iOS/Android tools. No admin action is needed; inform users and update documentation accor...