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M365 Archive

RM573698 - Outlook: Copilot Chat available in shared and delegate mailboxes

Microsoft 365 Roadmap

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 classic Outlook, when added as a resource.

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Roadmap ID

573698

View in M365 Roadmap

Published

Oct 13, 2026

Status

In development

Release

General Availability

Platforms

Desktop

Service

Outlook

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)
GCC
GCC High
DoD

Cloud

DoD
GCC
GCC High
Worldwide (Standard Multi-Tenant)

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 classic Outlook, when added as a resource.

GA date: November CY2026

Discussion

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