: It cannot decrypt the newer "Block Privacy" protection introduced in more recent Step 7 or TIA Portal versions. Important Considerations

Simatic S7 CanOpener (often referred to as S7 CanOpener or SIMATIC S7 CanOpener) is a specialized third-party utility designed to remove "Know-How-Protection" from software blocks within Siemens SIMATIC Step 7 projects. Functionality and Use Protection Removal

: It removes the "know-how protection" from Organization Blocks (OB), Functions (FC), and Function Blocks (FB). Starting from version 1.4, it can also lock or unlock User Data Type (UDT) blocks.