No. It's the activation key from the Office 2010 Professional box. I had the software successfully installed on 2 pcs, running for the past 2 years. I got a virus on my pc and was forced to "re-install" the software - but it now says that the key is invalid. I've been on the phone with Microsoft support - and they said there's nothing they could do. They even "suggested" that someone may have hijacked my pc at some point and stole my license key #. That's ridiculous!