Learn how to deactivate an Office install that you shared with someone or deactivate an Office install so you can install it on another device.

Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.

If you follow the transfer terms in the Software License Terms, you can move Office to a different computer, but you must activate it by phone and then uninstall Office from the original computer.

If you're troubleshooting Office and would like to remove the license files on your Mac, you can use the license removal tool. This will completely remove all licenses for Microsoft 365 for Mac.

If you've reached your sign-in limit (Microsoft 365 Family), or if there are no Office installs left (Microsoft 365 for business), you can sign out of or deactivate another Office install using the steps in Deactivate a Microsoft 365 install.

This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license.

This can happen if you don't uninstall the pre-installed version of Office on your new PC before installing a volume license version of Office. To stop the prompts for activation, make sure your Office uses volume licensing and then update the registry.

What to try if you can't install or activate Office for Mac? Need to uninstall Office for Mac? It's quick and easy. Just follow these simple steps.

Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. Select the button below to start the uninstall troubleshooter.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.