Microsoft 365 Roadmap

Outlook
Copilot Chat available in shared and delegate mailboxes

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

All Microsoft 365 updates
Product
Outlook
Release status
Launched
RSS publication

Feature overview

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.

Expected release date

March CY2026

Source: Microsoft 365 Roadmap RSS (build snapshot) Feature ID: 554936

RSS snapshot built . Refreshed on rebuild and deployment.

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