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

Microsoft lists this Microsoft Copilot (Microsoft 365) and Outlook roadmap item as Launched, with general availability in January 2026.

Launched1 version

Facts

Microsoft id
531910
Status
Launched
Products
Microsoft Copilot (Microsoft 365), Outlook
General availability
January 2026
Release rings
General Availability
Platforms
Android, Desktop, Mac, Web, iOS
Cloud instances
Worldwide (Standard Multi-Tenant)
Status pages
Outlook status, Microsoft 365 Copilot status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Microsoft 365 roadmap · open the original at Microsoft

Microsoft says

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…

Microsoft 365 roadmap,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    As first seen: Launched
    Status
    Launched

    Seen by us · Microsoft's timestamp · Microsoft's page

Mentioning the same Microsoft ids

Other changes for Outlook, Microsoft 365 Copilot

Last updated