Researcher and Analyst tools in M365 Copilot Chat remain available to all Copilot license users even if Copilot agents are disabled. Admin controls for agent access are decoupled, effective December 15, 2025. Admins should review access settings, update documentation, and inform support teams accordingly.
Starting December 12, 2025, OneNote for Windows desktop will update Copilot features to open in the Copilot Chat pane instead of separate windows or direct canvas insertion. This change applies to all users automatically, with no required action, and maintains enterprise grounding and compliance.
Starting on November 27, 2025, the insights widget in the analytics page will no longer be available. The functionality of this widget, in addition to the ability to drill down to view the metrics of individual questions and answers, is now available in the feature Analyze user questions by theme.
App centric management introduces new admin settings to control who in the tenant can install Teams apps. First, admins can set a default value for new apps that are published to Teams app store. Second, admins can edit the availability of an app to ‘All users can install’, ‘Specific users and groups can install’, or ‘No user can install’. This feature evolves the existing app permission policies and provides admins with the ability to manage access to the app individually. The app permission policies for existing customers are migrated to maintain existing app availability in the tenant.
Microsoft Purview Data Loss Prevention end-user email notification is getting advanced incident remediation capabilities: actionable email notifications. This new feature allows end users to take remediation actions directly from their mailbox, streamlining the remediation process. The end users will be able take remediation actions on files on OneDrive and SharePoint that caused a policy match. Key actions now available in our email notifications include – stop sharing file, delete file, apply label, override the policy, report false positive and unable to take action.
Empower tenant admins to centrally manage SharePoint site branding using PowerShell scripts. This feature enables organizations to enforce consistent branding, apply enterprise themes to individual sites, disable custom branding on specific sites, and audit branding changes – ensuring branding compliance and a unified brand experience across all SharePoint sites.
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