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-level activation.
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 recommended.
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 Viva introduces a centralized exclusion list in Viva Feature Access Management, allowing admins to exclude specific users or groups from sharing Viva Insights data with Viva Glint. This feature, rolling out mid-May to late June 2026, enhances privacy controls without disabling the entire integration.
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 Defender XDR will add an AI-powered Email summary via Security Copilot on the Email entity page, launching in public preview mid-April 2026 and generally available by mid-May 2026. It provides concise threat insights, timeline analysis, URL and attachment assessments, requiring Security Copilot access and SCUs.
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 desktop and mobile users.
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