Microsoft 365

Outlook: Delimiter setting admin policy

#557676 · Launched · June 2026 rollout

Microsoft 365 roadmap: what is new · All roadmap items · Microsoft

Launched
Rollout startJune 2026

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.

Added to roadmap: 24 feb 2026 | Last modified: 28 jul 2026