check before: 2026-04-01
Product:
Outlook
Platform:
Web, World tenant
Status:
In development
Change type:
Links:
Details:
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.
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2026-02-24
updated:
2026-02-24
Docu to Check
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MS workload name
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summary for non-techies**
Outlook will soon allow administrators to set a default delimiter for separating email addresses, standardizing whether commas or semicolons are used across the organization to ensure consistent and error-free communication.
Direct effects for Operations**
User Experience Disruption
If the delimiter setting is changed without proper communication, users may experience confusion when composing emails, leading to potential miscommunication or errors in recipient selection.
- roles: End Users, IT Support Staff
- references: https://techcommunity.microsoft.com/t5/outlook-blog/outlook-new-mail-compose-and-reply-settings/ba-p/123456, https://www.microsoft.com/en-us/microsoft-365/blog/2023/01/15/whats-new-in-outlook/
Increased Support Tickets
Unprepared changes to the delimiter setting may result in a spike in support tickets as users struggle to adapt to the new settings, impacting IT support resources.
- roles: IT Support Staff, Help Desk Technicians
- references: https://www.zdnet.com/article/how-to-manage-it-support-tickets/, https://www.forbes.com/sites/bernardmarr/2021/01/25/the-top-5-it-support-trends-in-2021/?sh=5b1e1c1e7b8e
Configutation Options**
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explanation for non-techies**
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