Add-ons are accessible by going to the top menu’s Extensions > Add-ons.
Select Get add-ons to open the Google Workspace Marketplace and find and install add-ons you like. Once installed, the new add-on will display on the Extensions menu for you to use.
Uninstall Add-ons
Select Manage add-ons to show all the add-on apps you have installed in your account. This is where you can Uninstall add-ons you don’t want or don’t need. You will also have shortcuts to Help resources and Report in the Manage section.
To remove add-ons, go to Manage add-ons click on the three-dot icon at the top right of an app and select Uninstall.