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Roadmap ID 554936 Launched

Outlook: Copilot Chat available in shared and delegate mailboxes

Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 roadmap entry

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.

Status
Launched
General availability target
Mar 2026
Preview target
Not published
Products
Outlook
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Targeted Release
Platforms
Web
Source created
5 Feb 2026
Source modified
17 Jun 2026 · 5mo ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 23:12 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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