A pxw file extension is related to the TWAIN, a programming interface and communication protocol.
There is one other file type using
the PXW file extension!
.pxw - ProShow Producer web archive
PXW file extension - TWAIN32 data
What is pxw file? How to open pxw files?
File type specification:
The pxw file extension is associated with the TWAIN, a programming interface and communication protocol for communication between software and digital imaging devices, like digital cameras and scanners.
The pxw file is used by some TWAIN drivers.