Fix: Outlook Add-in Is Installed for All Users and Cannot Be Removed (Solved)
17Fix: Outlook Add-in Is Installed for All Users and Cannot Be Removed (Solved)
The error "Add-in can only be Disabled by an Administrator" appears because when you installed the add-in, you choose to install it for all the users on the computer. At this case, the only solution to resolve the error is to uninstall the add-in by using administrative privileges.
If you cannot disable or enable an Outlook Add-in because of error "The add-is installed for all users on this computer, and can only be connected or disconnected by an administrator", continue reading below to resolve the problem.
Issues addressed in this tutorial:
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This tutorial will apply for Microsoft Outlook 2021, 2019, 2013, and 2010 for both Windows (such as Dell, HP, Lenovo, Samsung, Toshiba, Acer, Asus) and macOS (MacBook Air, MacBook Pro, MacBook Mini) devices.