M365 Archive

RM554934 - Microsoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data

Microsoft 365 Roadmap

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) .

Roadmap ID

554934

View in M365 Roadmap

Last Updated

Aug 7, 2026

Published Feb 5, 2026

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Status

In development

Release

General Availability

Platforms

Android
Desktop
iOS
Mac
Web

Service

Outlook
Microsoft Copilot (Microsoft 365)

Tag

In development
General Availability
GCC
GCC High
DoD

Cloud

DoD
GCC
GCC High

Description

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) .

GA date: September CY2026

Version history

2 versions tracked

Updated 1 time since Mar 26, 2026. Microsoft Message Center only ever shows the current version; this archive preserves the history.

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  1. Aug 7, 2026 · 09:45 PMLatest · v2

    Changed: Body

  2. Mar 26, 2026 · 11:15 PMOriginal · v1

    Changed: Initial version

    View this versionCompare to latest