Find your Product Key for Office 2010

This article is for Office 2010. Got another version? Try one of these:

Office 365, Office 2016, or Office 2013 | Office 2007

When you install Office, you might be prompted to enter a 25-character product key.

  • If you downloaded Office from an online store, the product key should be in your email receipt.

    If you didn’t get a receipt, search your email for Microsoft or the name of the company where you bought Office. Check all mail folders including the Junk folder.

  • If Office came with a box, card, or disc, look on the card or the packaging.

    product key located inside the package on a label on the card opposite the disc holder on the left side of the case product key located inside the package on a label on the left side of the case

    If the product key isn't there, read the instructions on the package. You might be directed to for your product key.

  • If Office came with your computer, look on the Certificate of Authenticity.

certificate of authenticity and product key from the manufacturer of your computer

Note   If you get an error message or need help, visit the Product Activation Solution Center for troubleshooting information and how to contact support.

How to replace a lost or damaged Microsoft Office product key

If you purchased Office online and downloaded it or if Office is associated with a Microsoft account, you might be able to get your product key online. Go to your account page and sign in with your Microsoft account. Your account page will show you your product key.

If you lose your product key and have a valid proof of purchase, contact Microsoft support for help.

Applies To: Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, Access 2010, OneNote 2010, Publisher 2010, Visio 2010, Project 2010, InfoPath 2010, SharePoint Designer 2010, Visio Premium 2010, Visio Standard 2010, Project Standard 2010

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