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- Log in to Outlook Web App (OWA) on your Windows or Mac computer.
- Click on your profile icon in the right corner (this may have your initials or be a profile picture).
- Click My Account in the menu that opens.
- Click on View apps & devices.
Click DEVICES:
Click the appropriate Sign out link to deactivate the license for the specified computer.
Note Deactivation does not actually uninstall Office from a computer. Office is still installed on the computer, but the Office applications are placed in reduced functionality mode.
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