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Comparing Apr 7, 2026 latest (Jun 17, 2026) Swap

RM554936 - Outlook: Copilot Chat available in shared and delegate mailboxes

Microsoft 365 Roadmap

Metadata at latest

Last Updated

Jun 17, 2026

Published Feb 5, 2026

Status

Launched

Release

General Availability
Targeted Release

Platforms

Web

Service

Outlook

Tag

Launched
General Availability
Targeted Release
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Metadata changes

Tags
General Availability, Rolling out, Targeted Release, Worldwide (Standard Multi-Tenant)General Availability, Launched, Targeted Release, Worldwide (Standard Multi-Tenant)
Status
Rolling outLaunched

Body changes

removed textadded text

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