Most Microsoft products use a 25-character product key. For example, the product key may have been mistyped or a product key for a different product might have been used.Īre you entering a product key for another Microsoft product? There are several reasons why you might get an error after entering a product key. Note that this product key won't match the product key shown in My Office Account. Locate the Office one-time purchase or individual Office app, and then select Install Office to view your product key (this doesn't actually install Office). Go to In the upper right-hand corner, select Sign in and enter the user ID and password you used to buy Office.Īfter you sign in, select your name in the upper right-hand corner, and then select Order History. Here's how to view your product key in the Microsoft Store: Select Find my product key and enter the information requested to download software or get your product key.

Go the Digital River download information page. Here's how to view your product key if you purchased Office from Digital River:

If you can’t find the email receipt, you may be able to retrieve the information contained in the email by using the Order History link for the store you made the purchase from: If you have multiple email accounts, check the email account that you provided when you purchased Office 2010 online. Try searching your email for the word “Microsoft” or the name of the company where you bought Office. Try the following to find this confirmation email:Ĭheck your spam, bulk, or junk mail folders for the email. If you purchased and downloaded Office from an online store, the product key should be in your email receipt.

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