Open a new message window
Click on the three dots (⋯) at the bottom of the window
Select Get Add-ins
Web version : the page opens in your browser

Desktop application : the window opens in Outlook

Click on My Add-ins :
✅ Successful installation: the add-in appears in the section Managed by the administrator

❌ Unsuccessful installation: the add-in is located in another section or is missing

Manually remove the add-in if it is incorrectly positioned

Please wait a few minutes: if the deployment has been carried out correctly, the add-in will automatically reinstall itself
💬 If the issue persists, please contact our support via the chat bubble at the bottom right.