.PUK File Extension
Pavuk Universal Kommand File
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What is a PUK file?
A PUK file is a Pavuk Universal Kommand file used by the Pavuk Device Interface (PDI) application. It contains configuration and security tokens used to verify data transfers between an instrument and a server.
PDI is a Windows application used to securely pass information from a device, such as a credit card reader or data measuring instrument, to a server. The PUK file is utilized to verify the credentials of the data transfer for security purposes.
NOTE: PDI was formerly known as DataClipper.