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Roadmap ID 554934 Rolling outGCCGCC HighDoD

Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data

Microsoft 365 Message Center Archive by Merill Fernando

Changes ChangeIntel observed:In development → Rolling out seen 13d agoGA Nov 2026 → Oct 2026 seen 13d agoGA Oct 2026 → Nov 2026 seen 14d ago

Microsoft 365 roadmap entry

Summary

Copilot Chat in Outlook expanding to support reasoning over a user's entire inbox, calendar and other enterprise data for Microsoft 365 Copilot Chat users (without a Microsoft 365 Copilot license) .

Status
Rolling out
General availability target
Oct 2026
Preview target
Not published
Clouds
GCC, GCC High, DoD
Release phases
General Availability
Platforms
Android, Desktop, iOS, Mac, Web
Source created
5 Feb 2026
Source modified
29 Oct 2026 · 13d 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 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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