M365 Archive

RM531910 - 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

531910

View in M365 Roadmap

Last Updated

Apr 24, 2026

Published Nov 19, 2025

Status

Launched

Release

General Availability

Platforms

Android
Desktop
iOS
Mac
Web

Service

Outlook
Microsoft Copilot (Microsoft 365)

Tag

Launched
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

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: January CY2026