By December 13, 2025, update Microsoft Sentinel analytic rules, automation, workbooks, and queries to use the new account entity naming precedence: UPN prefix → name → display name. Use coalesce patterns to avoid issues in incidents, alerts, dashboards, and playbooks relying on account names. Test changes before rollout.
Microsoft Viva Engage introduces flexible, precise audience targeting for Storyline Announcements, allowing leaders to define custom audiences using organizational attributes, groups, or individuals at posting time. Public preview starts mid-November 2025; general availability begins February 2026. Requires premium licensing and accurate organizational data.
Microsoft will retire the ability to create App-V packages for Microsoft 365 Apps starting January 13, 2026, focusing on Click-to-Run deployment instead. Existing App-V packages will still work, but new ones cannot be created with updated tools. Organizations should transition to Click-to-Run before this date.
Viva Amplify will retire High Privilege Access for Teams distribution, switching from App-only tokens to Protected Forwarded Tokens by November 2025. This enhances security without affecting user experience or requiring tenant configuration changes. No admin action is needed; update documentation and inform support teams accordingly.
Microsoft 365 Copilot enhances Read Aloud with real-time voice Q&A, allowing users to interactively ask questions during document reading. Available worldwide from late November to December 2025, this feature requires a Copilot license and is enabled by default without admin changes.
Microsoft 365 Copilot will introduce real-time voice interactions in Podcast, enabling users to engage in dynamic, conversational audio experiences by asking questions during document-based podcasts. This feature, rolling out worldwide from late November to December 2025, will be on by default for eligible users with no admin action needed.
Microsoft Teams updated sender email addresses for team and channel membership notifications to improve clarity. Changes include using the team owner’s email for membership additions and no-reply@teams.mail.microsoft for private join requests and shared channel notifications. The rollout completed in November 2025 with no action required.
Microsoft Purview DLP adds inline file upload protection in Edge for Business to prevent data leaks to unmanaged GenAI apps. Admins can enforce policies by file size, type, and sensitivity on Intune-managed Windows devices. Public preview starts mid-November 2025; general availability begins early December 2025.
Microsoft Teams is introducing a simplified external collaboration admin experience with three modes—Open, Controlled, and Custom—available in the Teams admin center. Public preview starts mid-November 2025, with general availability by early February 2026. Existing settings remain unless changed by admins.
Viva Glint’s data retention policy now retains customer data indefinitely while the subscription is active or per tenant-configured policies. This update applies immediately to tenants without existing retention policies. No action is needed if a policy is already set; otherwise, submit a support request to configure it.
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