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.

Microsoft AutoUpdate for Mac will switch to a new CDN endpoint by June 1, 2026, improving update reliability and security. Organizations must ensure network access to res.public.onecdn.static.microsoft and update MAU settings if needed. The legacy endpoint will be decommissioned by August 1, 2026.

Microsoft Teams will enhance Direct Guest Join media quality by mid-May 2026, supporting up to 16 participant videos in a 4×4 grid and improving video reliability via simulcast streaming for Zoom, Google Meet, and Cisco device users. The update is enabled by default with no admin action needed.

Microsoft Teams will update badge counts starting mid-April 2026 to show unread, unmuted chats, personal mentions, followed threads, and tag mentions with clearer visual indicators. The feature is enabled by default, requires no admin action, and aims to simplify message notifications for all des...

OneDrive for iOS and iPadOS will offer secure in-app preview of Word, Excel, and PowerPoint files without downloading, respecting existing Microsoft 365 security and compliance policies. This rollout begins in April 2026, is enabled by default, requires no action, and does not change file permiss...