Outlook Mobile will highlight users' selected RSVP (Yes, Maybe, No) for meetings, improving visibility. Rollout starts mid-September 2026 and completes by mid-October 2026, affecting all iOS and Android users worldwide, GCC, and GCC High tenants. No admin action needed; feature enabled by default.
Applies to: Exchange Online
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).