Chat history in the Copilot navigation pane will be filtered by the current Copilot experience, with an option to view all chats. This change, rolling out April-May 2026, affects all Microsoft 365 users, requires no admin action, and does not impact data storage or compliance.

Microsoft Teams will introduce two new chat sections—Muted chats (enabled by default) and Meeting chats (disabled by default)—to organize chats. These sections group muted and meeting chats separately, can be toggled by users, and will roll out globally from early to mid-May 2026. No admin action...

Starting May 2026, files deleted from OneDrive cloud won't appear in local Recycle Bin or Trash but can be recovered from the OneDrive or SharePoint web recycle bin. Local deletes remain unchanged. No admin action needed; users should be informed about the new recovery process.

Migrate away from the Microsoft Support and Recovery Assistant utility (SaRA). This

Starting May 4, 2026, Anthropic models will be enabled by default for Copilot in Word, Excel, and PowerPoint, with data processing outside the EU Data Boundary. Admins can review or change this setting anytime in the Microsoft 365 Admin Center. Word support begins summer 2026.

Viva Engage will roll out smarter At-Mention and Reply notifications starting April 2026, sending alerts via the user's most engaged channel to reduce notification fatigue. Secondary alerts occur if unopened within an hour. No admin action is needed, but user communication is recommended. Existin...

Outlook Mobile will add a user-controlled setting to keep or delete meeting invitations after responding, aligning with Outlook on the web and new Outlook. Rolling out mid-April to mid-May 2026 worldwide, no admin action is needed, and the setting roams across platforms per user account.

Outlook Mobile will visually highlight users' RSVP responses (Yes, Maybe, No) to meeting invitations starting late April 2026, completing by early June 2026. This applies to all iOS and Android users worldwide, GCC, and GCC High tenants. The feature is enabled by default with no admin action needed.

The people card expanded view in Classic Outlook will be retired between June 1-30, 2026, leaving only the standard contact card available. Users relying on expanded features should switch to Outlook on the web or New Outlook. No admin action is required; users should be notified.

Custom skills for AI in SharePoint enable users with edit permissions to create reusable, multi-step AI tasks using natural language, stored as Markdown files in the site’s Agent Assets library. Rolling out from April to July 2026, this feature respects existing permissions and requires no tenant...

Viva Engage will enhance weekly digest emails by including subscribed catch-up content and stopping daily digests on the same day. Changes start April 2026, with full rollout by mid-May. No admin action is needed; users manage subscriptions as before. Notifications and documentation updates are r...

Viva Engage in Microsoft Teams for iOS will add pinned resources and related communities by late April 2026, matching other platforms. This enhances content access and community discovery, is enabled by default, requires no admin action, and affects users and community admins.