Microsoft Office requires a product key during activation as proof that a valid license is owned. This product key is encrypted in the system registry. If the product key is lost, it must be decrypted and extracted before it can be reinstalled. Numerous software packages can perform this task graphically. It may be desirable to develop a script that can extract this information using the Windows Command Prompt for reasons such as administrative efficiency or automation. Keyfinder, by James River Software, offers a Command Line version that can easily accomplish this task. “C:\Program Files\Keyfinder Command Line (Trial Version)\keyfinder.exe” Tips Warnings Writer Bio