Reactivate Microsoft 365 or Office

Reactivating Office requires different steps depending on your situation.

Installing or Reinstalling

Note

If you already own a Microsoft 365 or Office license, then you can sign in to your Microsoft account Services & subscriptions page and install the product(s) that you own.

Try the guided walkthrough to install:

Try guided support

Alternatively, if you would like to install or reinstall Microsoft 365 or Office on an existing or new computer, please go to:

For Microsoft 365 and Office 2021 - Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac.

For Office 2019, 2016 or 2013 - Download and install or reinstall Office 2019, Office 2016, or Office 2013.

Reactivating

Try the guided walkthrough to reactivate:

Try guided support

Alternatively, if you have successfully installed Microsoft 365 or Office on your computer, but need help with activating or reactivating it, please go to:

For Microsoft 365 - Activate Office.

For Microsoft 365 for Mac - Activate Office for Mac.

For Office 2021, 2019, or 2016 - Activate Office after reinstalling or installing on a different device.