Various file extension of Modsoft application are as follows:
***.prj = Ladder Logic file
***.pwx = Proworx32 Database
***.CFG = Configuration file
***.USL = User Loadables
***.ENV = environment files (This file is a single file to load all file sets. It allows you to load all the files associated with a program)
***.MAP = Network Mapping file
***.ASC = ASCII file
***.REF = Reference contents contained in the PLC, from an upload
***.RFD = Reference presets set by the user in the Modsoft Reference Data Editor
***.RFI = Reference Table Index
***.RFS = Reference symbols file
***.PCI = Network Comment Index
***.PCM = Ladder Comment File
***.PCT = Database Tag file for program comments
***.CUT = Coil used table
***.prj = Ladder Logic file
***.pwx = Proworx32 Database
***.CFG = Configuration file
***.USL = User Loadables
***.ENV = environment files (This file is a single file to load all file sets. It allows you to load all the files associated with a program)
***.MAP = Network Mapping file
***.ASC = ASCII file
***.REF = Reference contents contained in the PLC, from an upload
***.RFD = Reference presets set by the user in the Modsoft Reference Data Editor
***.RFI = Reference Table Index
***.RFS = Reference symbols file
***.PCI = Network Comment Index
***.PCM = Ladder Comment File
***.PCT = Database Tag file for program comments
***.CUT = Coil used table