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RM554936Outlook: Copilot Chat available in shared and delegate mailboxes

Summary

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.

Description

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.

GA date: March CY2026