Need help reading unknown file type
I have these file types for work that our equipment runs on. I have to use this shitty program to edit them that was created by our German parent company. I want to develop a configurator that can make changes to these programs easily, or even create them from scratch. I cant seem to figure out the format though. Obviously the file type is proprietary. I tried to use a hex editor, text editors, etc. and it just shows symbols and some items that make sense, but nothing that looks like the program parameters. Can someone try to find a way to read and modify its contents? Any assistance would be great. I'd love to create this program to modify it. I would literally be a hero in my work place if I can program a configuration program that makes these easily.
http://www.weberusa.com/ftp/sgraham/Test_Program.wspg
Thank you!!!
-Scott