Forum Discussion

Copper Contributor

Mar 19, 2026

Reactions Button is missing in Classic Outlook

I'm using Microsoft® Outlook® for Microsoft 365 MSO (Version 2603 Build 16.0.19822.20086) 64-bit with a M365 for Business license. Don't see the reactions button in my Outlook Classic Desktop. Re...

Hornblower409

Iron Contributor

Mar 20, 2026

prashant8 wrote:
Don't see the reactions button in my Outlook Classic Desktop.

There are a number of restrictions on when you will see a Reaction button in Classic Outlook.

See:

https://learn.microsoft.com/en-us/answers/questions/4371126/email-reactions-not-available-in-classic-outlook-o