With Filestar you get 0 different skills for working productively with Print-to-File Job (.prn) files.
About .Prn
Name
Print-to-File Job
Extension
.prn
Format
Binary
Category
Document
Description
A PRN file is a Windows print-to-file job - the raw page stream a printer driver would have sent to the printer, saved to disk. One holding PostScript converts like a PostScript file; one wrapped in a PJL header is recognised as a PJL-Wrapped Print Job instead.