In Outlook, click File > Manage Add-ins. Tip: This opens Outlook on the web. Under Manage add-ins , in the Turned on column, uncheck the box for the add-in you want to turn off.

The easiest way to disable all of the add-ins at once is to open Outlook in Safe Mode. This disables all the add-ins but doesn’t change anything else, so if one (or more) of the add-ins is causing the problem, everything will work as expected in Safe Mo

Resources Office Disable, Remove or Fix Add-ins Outlook Microsoft Outlook is a powerful and friendly application that allows users to install add-ins inside. Worse of all, few of add-ins may conflict with other or inactive.