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RM558442Outlook: Improved handling of disallowed and failed email reactions

Summary

Emails with reactions disallowed will now see the Reactions button grayed out correctly. Additionally, when any attempt to react fails, the local update will no longer remain onscreen and be properly undone.

Description

Emails with reactions disallowed will now see the Reactions button grayed out correctly. Additionally, when any attempt to react fails, the local update will no longer remain onscreen and be properly undone.

More info: https://learn.microsoft.com/en-us/microsoft-365-apps/outlook/manage/manage-outlook-reactions?view=o365-worldwide

GA date: May CY2026

Preview date: April CY2026

Version history

2 versions tracked

Updated 1 time since Mar 23, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. May 18, 2026 - 10:30 PMLatest - v2

    Changed: Tags, Status

  2. Mar 23, 2026 - 11:15 PMOriginal - v1

    Changed: Initial version

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