The .exe files manipulate data files which have a FILE FORMAT which is the key to viewing it. If you know the program name and the file extensions .123 letter ending often times you can get into the files by making a quickie.com to reformat them to a format that is commonly used on modern computers. You don't have to hack the .EXE to get the .DFB files data type thing. Add info about your program and the files here and maybe you can find the help needed. Have you tried loading them into an editor. Some editors load many different types of files.