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Microsoft Copilot (Microsoft 365) Writing Blocks in M365 Copilot

Microsoft 365 Message Center Archive by Merill Fernando

Summary

M365 Copilot now supports Writing blocks. Edit drafts, memos, emails, and more inline while using Chat for easy editing and iteration.

Status
In development
General availability target
Sep 2026
Preview target
Not published
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Desktop, Mobile
Source created
20 Aug 2026
Source modified
20 Aug 2026 · 3mo 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 12 Nov 02:22 UTC · 274 of 275 readable · 272 fully read · documentation 468/469 current