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Outlook: Notification when not responding to most recent message of email thread

Microsoft 365 Message Center Archive by Merill Fernando

Summary

When replying to an email conversation and the message being replied to is not the latest in the conversation, Outlook for Windows and web will now display a notification indicating this. With this change, users can now be more confident that they are responding to the right message in an email conversation. #newoutlookforwindows

Status
In development
General availability target
Aug 2026
Preview target
Not published
Products
Outlook
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Web
Source created
6 Jul 2026
Source modified
6 Jul 2026 · 4mo 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 11 Nov 23:12 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current