Today as it launched version 2.1 of Outlook for iOS, Microsoft announced a new feature for the app: add-ins. Add-ins are a form of integration with both third-party and first-party services that ...

Thus, Outlook add-ins improve the program by boosting productivity, eliminating troublesome spam, and managing your inbox. Thus, add-ins make emailing easier and more effective in Outlook.

Maybe it even freezes. There are several reasons why you can’t open Outlook, such as corrupt or damaged files, problematic ...

For this, in Outlook, go to File menu >Manage Add-ins. This action will open ‘Outlook on the web’. There, under ‘Manage add-ins’ check the ‘Turned on’ column for the add-in in question.