M365 Archive

RM564605 - Outlook: Co-Authoring Highlight and Rewrite

Microsoft 365 Roadmap

Summary

Users can now collaborate with Copilot to make improvements to email drafts. Select a section of the draft and ask Copilot to make changes, like changing its length, tone, or structure.

Roadmap ID

564605

View in M365 Roadmap

Last Updated

Sep 11, 2026

Published May 26, 2026

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Status

Launched

Release

General Availability

Platforms

Web

Service

Outlook

Tag

Launched
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

Users can now collaborate with Copilot to make improvements to email drafts. Select a section of the draft and ask Copilot to make changes, like changing its length, tone, or structure.

GA date: July CY2026

Version history

3 versions tracked

Updated 2 times since May 26, 2026. Microsoft Message Center only ever shows the current version; this archive preserves the history.

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  1. Sep 11, 2026 · 10:10 PMLatest · v3

    Changed: Tags, Status

  2. Jul 8, 2026 · 11:11 PMv2

    Changed: Body, Tags, Status

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  3. May 26, 2026 · 10:45 PMOriginal · v1

    Changed: Initial version

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