New meeting response option: decline and propose a new time in Outlook Mobile

Outlook Mobile will add a “Decline and Propose a New Time” option for meeting responses, allowing users to decline while suggesting an alternative time. This feature rolls out worldwide from mid-April to mid-May 2026, is enabled by default, requires no admin action, and respects existing policies. Introduction We’re introducing the ability for users to Decline and Propose a New Time when responding to meeting invitations. This update improves scheduling clarity by allowing recipients to explicitly decline a meeting while still suggesting an alternative time. This update is applicable to Outlook for iOS and Android only; other platforms already include this feature. When this will happen: General Availability (Worldwide, GCC, GCCH): Rollout begins mid-April 2026 and is expected to complete by mid-May 2026 How this affects your organization: Who is affected: All Microsoft 365 users responding to meeting invitations in Exchange Online–based calendar experiences (for example, Outlook on the web, desktop, and mobile). Worldwide, GCC, and GCC High tenants What will happen: A new Decline and Propose a New Time option will be available View image in new tab This option appears alongside existing responses such as Tentative and Propose a New Time When selected, the meeting is declined and an alternative time suggestion is sent to the organizer The feature is enabled by default Existing meeting policies and workflows are respected; no policy changes are required What you can do to prepare: No admin action is required.  Consider updating internal documentation or training materials that describe meeting response behavior Compliance considerations: No compliance considerations identified, review as appropriate for your organization. Message ID: MC1269213

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