Microsoft 365 Roadmap

Outlook
Delimiter setting admin policy

Feature details and release plans from a build snapshot of Microsoft's official roadmap feed.

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Product
Outlook
Release status
Launched
RSS publication

Feature overview

Admins will be able to define a tenant‑wide default value for the Mail Compose and Reply setting that controls whether commas are used to separate recipients. Updated June 2, 2026: We are in the process of correcting an issue with setting the policy. We expect to complete in mid-June. Thank you for your patience.

Expected release date

June CY2026

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 557676

RSS snapshot built . Refreshed on rebuild and deployment.

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