Now open any MS Office app and sign in to activate with the email account associated with your MS Office for Mac license.

After the tool successfully removes licenses, select ‘Close’.

You may need to enter your Mac’s local admin account password.

When you’re ready to complete the license removal, select ‘Install’.

Make sure to double-check that you have the correct account info by logging into Office and checking for the license you want to activate with

Select Continue and follow the prompts in the setup wizard.

If you get an ‘unidentified developer’ error, try opening the file by holding Control + clicking the file > Open pkg file from your Mac’s Downloads folder.

Download the Microsoft Office License Removal Tool.

If you’re uninstalling the MS Office apps with no intention of reinstalling them later, i.e quit out of all Office apps, or if you’ve already uninstalled MS Office, go to the next step.

If you’re looking for subscription features and your version is using a Microsoft 365 subscription license, then you don’t need to do the rest of these steps. Use the version that's appropriate for your requirement. Method: Use Microsoft Support and Recovery Assistant The Assistant fully automates all the steps required to reset Office activation, and is available in two versions.

First check what license your version of MS Office is currently using. For Office for Mac installations, see How to remove Office license files on a Mac.

Follow these steps to remove MS Office license files from your Mac.

Office 365 mac license removal tool