Microsoft uses several methods to identify and block counterfeit product keys:
and repositories provide lists of product keys for various Office editions. Most of these are "Volume License" (KMS) or "MAK" keys meant for large organizations. Activation Scripts : Some repositories host batch files ( ) that automatically connect to a third-party Key Management Service (KMS) server to activate Office without needing a manual key. Pros and Cons Description Ease of Use
Instead of manual key entry, many users search for automated scripts that handle the activation process through a command-line interface. Microsoft Activation Scripts (MAS):