How to answer when Office asks for product key

If Office requires you to lock your product to activate Office, you can enter your Microsoft account instead. This is the account you used to buy or register for Office. We can help if you forget your password or your Microsoft account.
If you see this screen in Office, select Sign in with a live account instead.

There are a few exceptions that will require you to do something other than login.

If you purchased your DVD or USB drive through the Home Use Program (HUP), you will need the product key to install Office on your PC. To identify the product key online, see the Finding your HUP product key.

If you are using a large-scale version of Office Professional Plus at work, you will need to contact the administrator to obtain the product key.

If you see the yellow or red banners in the Office application for REGISTERED EXPIRY, you must renew your Office 365 subscription to continue using Office. For help, see the Office 365 Renewal for Families section.

If Office is pre-installed on the new device and you see a yellow or red banner in the Office app with the content NOTICE PRODUCT Most of the features of <app> have been disabled because of this application. is not activated, you must start a new trial of Office 365 Home or purchase Office. For help, see Try it out, buy or activate Office pre-installed on a new PC.

If you purchased Office Professional Plus online, see Can I purchase a product key? Or, if your product key does not work, check out my Office Product Key
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