M365 Archive

RM567316 - Outlook: Notification when not responding to most recent message of email thread

Microsoft 365 Roadmap

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

Roadmap ID

567316

View in M365 Roadmap

Published

Jul 6, 2026

Status

In development

Release

General Availability

Platforms

Web

Service

Outlook

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

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

GA date: August CY2026