Microsoft 365 Message Center item MC1269211

MC1269211 - (Updated) Clearer RSVP selection in Outlook Mobile

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.

Message Center ID

MC1269211

Category

stay Informed

Severity

normal

Services

Exchange Online

Tags

Updated message, Feature update, User impact

Published

2026-04-03

Last updated

2026-08-04

Expires

2026-11-30

Updated August 4, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re improving the RSVP experience in Outlook Mobile by visually highlighting the response a user has selected (Yes, Maybe, or No). This makes it easier for users to quickly see how they’ve responded to a meeting invitation.[When this will happen:] General Availability (Worldwide, GCC, GCC High): Rollout begins mid-September 2026 (previously August) and is expected to complete by mid-October 2026 (previously end of August).[How this affects your organization:]Who is affected: All users who access Outlook Mobile on iOS or Android Applies to Worldwide, GCC, and GCC High tenants What will happen: The selected RSVP option (Yes, Maybe, or No) will be visually highlighted Users can quickly confirm how they responded to a meeting invitation and edit as needed The feature is enabled by default No changes to existing meeting workflows or policies No impact to Outlook on the web or Outlook desktop clients [What you can do to prepare:] No admin action is required; the update will roll out automatically Consider notifying helpdesk staff of the visual change Update internal documentation if needed [Compliance considerations:] No compliance considerations identified, review as appropriate for your organization.