Message Center

MC1269211Clearer RSVP selection in Outlook Mobile

Summary

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.

More information

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
  • user settings

  • Users can quickly confirm how they responded to a meeting invitation and edit as needed
  • user settings

  • 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.

Version history

5 versions tracked

Updated 4 times since Apr 3, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. Aug 4, 2026 - 07:04 PMLatest - v5

    Changed: Body, End date

  2. Jul 10, 2026 - 10:09 PMv4

    Changed: Body, End date

  3. Jun 4, 2026 - 07:13 PMv3

    Changed: Body, End date

  4. Apr 29, 2026 - 05:10 PMv2

    Changed: Body, Tags, End date

  5. Apr 3, 2026 - 05:13 AMOriginal - v1

    Changed: Initial version