Sometimes these product keys are printed on counterfeit labels or cards with a download link to Microsoft software, and sometimes they’re distributed with software media that is unauthorized for resale, such as promotional media, original equipment manufacturer reinstallation media, or other Microsoft program-specific media. This is useful if you’re trying to get the key details from the backup of a now defunct machine. (SIW for Win 2010 Build 0714g) ProduKey may be able to extract product key information from a registry file saved externally.

Unfortunately, there are many dishonest sellers who offer stolen, abused, or otherwise unauthorized Microsoft product keys for sale. Start SIW (no install required) and click on Software Licenses. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. If it's hard to read the product key on your packaging, use this guide to help you tell the numbers and letters apart: If you lose your Product Key and have a valid proof of purchase, contact Microsoft support for help. Keep the packaging, or write the number down and keep it in a safe place.

Locate the product key for office 2007