Microsoft 365 Message Center

Microsoft 365 Copilot introduces shared Copilot Notebooks for team collaboration and a new mobile app for on-the-go access. Rolling out from October to December 2025, these features enhance cross-functional workflows, require Copilot licenses, and maintain data security and compliance. Admins man...

Microsoft Defender for Identity's Unified Sensor is now generally available, enabling identity protections on qualifying domain controllers via the existing Defender for Endpoint agent without extra installation. Activation requires Windows Server 2019+, specific updates, and licensing. It simpli...

Microsoft is updating SharePoint document libraries with a simplified command bar, improved breadcrumb navigation, more visible custom views, filter pills, and a new options button. Changes begin November 2025, preserving existing customizations except for updated command bar formatter behavior. ...

Microsoft Secure Score will add a new improvement action from Microsoft Defender for Identity to prompt password changes for accounts with potentially leaked credentials. Rolling out November to December 2025, it requires no admin action and appears only if Defender for Identity sensors are deplo...

Starting February 2026, Microsoft Authenticator will block Entra credentials on jailbroken/rooted iOS and Android devices through a phased rollout: warning, blocking, then wiping credentials. This security feature requires no admin setup. Users on compliant devices remain unaffected. Organization...

Maintenance window start: October 25, 2025, at 6:00 PM UTC Maintenance

You’re now more in control of provisioned Microsoft Store apps than

We are announcing the ability to configure quality evaluation framework with Quality

Microsoft has identified a remote code execution (RCE) vulnerability in the Windows

Microsoft 365 Copilot in PowerPoint will soon generate titles, summaries, and captions using slide context via natural language prompts. Rolling out mid to late December, it appears as a default dropdown for blank textboxes on Windows, Mac, and Web. No admin action needed; user notification recom...

Microsoft is ending AI Builder service credits add-ons sales on November 1, 2025, and removing seeded credits by November 1, 2026. Customers must transition to Copilot Credits for AI Builder features. Admins should review usage and inform stakeholders to prepare for this change.

Microsoft Teams Premium will support 1080p video resolution for town halls starting November 2025. IT admins must enable it via the TownhallMaxResolution policy. Network support and Ultra-Low Latency streaming are required. The feature enhances video quality for sharper broadcasts and is availabl...