While modern versions of Office use digital accounts, Office 2007 relies on a (which you have) and a Confirmation Code (which Microsoft provides) to complete the process. The Difference Between Product Key and Confirmation Code
: Select your country/region from the dropdown menu to see the phone number for the Microsoft Activation Center . U.S. Office 2007 Support Number : (866) 432-3012. activation wizard office 2007 confirmation code