ProductName=Microsoft Office Professional Plus 2007. If you find additional subkeys that reference Microsoft 12.0 registration, then click and open each GUID subkey to view and identify the Office product version by the ProductName registry entry in the right pane. Each GUID is specific to a program that is installed on your computer. Under the Registration subkey, there may be several Globally Unique Identifiers (GUID) subkey that contain a combination of alphanumeric characters. To export the registry, right click on the Registration subkey and click on Export, and follow the on-screen prompt to enter a file name for the registry file and choose a location to store it. Optional: Backup this registry branch by exporting the Registration subkey to a file, just in case the new product key does not work and you have to restore back the old product key. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\12.0\Registration\. Inside, you will find another subkey that resembles the following subkey:. HKEY_LOCAL_MACHINE \Software\Microsoft\Office\12.0\Registration. Locate and then click the following subkey:. Type “regedit” (without quotes) in the Run text box, and click OK or press Enter. Click on Start button, then click on Run. Backup registry first before performing the workaround. Note: The following steps involve modification of registry key values, which may corrupt your Windows if done incorrectly. However, you can follow the following steps in order to reset and change the Microsoft Office 2007 product serial key without the need to uninstall or reinstall 2007 Office system suites.
You can modify or change product key for 2007 Microsoft Office programs or suites by first uninstall or remove Microsoft Office and then reinstalling the business productivity suite. You may need to alter or change Microsoft Office 2007 (aka 2007 Microsoft Office System programs and suites) product license key or volume license key (VLK) which also known as serial number or CD key. How to Reset or Change Microsoft Office 2007 Product License Key or Volume License Key (VLK)