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 prepare.
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 issues noted.
Easily summarize your email with Copilot chat in a single click. This will be available to users with a Microsoft 365 Copilot license who have pinning enabled.
This change is coming to both Classic and New Outlook for Windows #newoutlookforwindows
Improve discovery of Champion connector prompts – inline suggestive pre & post prompts, prompt library.
Hard Delete now removes calendar entries from malicious meeting invites, closing a security gap by fully eradicating threats from inboxes and calendars. This update rolls out worldwide in September 2025 and GCC regions in October 2025, is on by default, and requires no user action.
Microsoft Defender for Identity will update several detections from late September to mid-October 2025 to reduce false positives and improve accuracy, lowering alert noise without requiring configuration changes. Admins should review alert volumes post-rollout and inform their security teams accordingly.
The Teams Rooms usage report in the Teams Rooms Pro Management portal will include people count data from Cloud IntelliFrame, enhancing occupancy insights for Windows devices with Teams Rooms Pro licenses. This update rolls out worldwide in October 2025 with no policy changes required.
Starting September 2025, Microsoft Defender Antivirus will require the AVSignatureDue policy minimum to be 2 days (up from 1 day) to prevent false alerts. Organizations with settings below 2 days should update their configuration before rollout completes in mid-October 2025.
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