check before: 2026-03-01
Product:
Copilot, Outlook
Platform:
Web, World tenant
Status:
In development
Change type:
Links:
Details:
Shared mailbox users and delegates with Read and manage (full access), and/or mail folder-level permission will now be able to access Copilot Chat directly from their shared and delegate mailboxes in new Outlook.
Change Category:
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Scope:
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Release Phase:
General Availability, Targeted Release
Created:
2026-02-05
updated:
2026-03-10
Docu to Check
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MS workload name
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summary for non-techies**
The new Outlook feature, Copilot Chat, acts as a digital assistant to help manage shared or delegate mailboxes by sorting, prioritizing, and drafting email responses, streamlining email management for users with access permissions.
Direct effects for Operations**
Access Issues in Shared Mailboxes
Users may experience difficulties accessing Copilot Chat in shared mailboxes if they are not properly informed about the new permissions required, leading to confusion and potential delays in communication.
- roles: Shared Mailbox Users, IT Support Staff
- references: https://techcommunity.microsoft.com/t5/outlook-blog/outlook-copilot-chat-available-in-shared-and-delegate-mailboxes/ba-p/3856780
User Experience Disruption
Without preparation, users may face a learning curve with the new features in Copilot Chat, resulting in decreased productivity and frustration as they adapt to the changes.
- roles: End Users, Team Leaders
- references: https://techcommunity.microsoft.com/t5/outlook-blog/outlook-copilot-chat-available-in-shared-and-delegate-mailboxes/ba-p/3856780
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-03-10 | RM Description | Shared mailbox users and delegates with full access permission will now be able to access Copilot Chat, directly from their shared and delegate mailboxes in new Outlook. | Shared mailbox users and delegates with Read and manage (full access), and/or mail folder-level permission will now be able to access Copilot Chat directly from their shared and delegate mailboxes in new Outlook. |
| 2026-03-06 | RM Release Phase | General Availability | General Availability, Targeted Release |
Last updated 6 days ago ago
