"Cardlock.exe" is the primary executable file for the proUSB Hotel Card Management System

If your goal is a physical paper craft that functions as a lock, you can follow these steps:

Legitimate versions of cardlock.exe are typically packaged with software suites from major fuel management vendors, including but not limited to:

: Issues specific "Initialization" and "Clock" cards used to program individual door locks with room numbers and synchronized time. Security Management