By default, all software supports multiple file extensions. Wing Commander III supports at least 1 different file extensions. The basic files that Wing Commander III supports are .TRE. However, not all of the extensions listed on the list are always used to save the effects of work in Wing Commander III. Very often, files with such extensions are used as source data files used by Wing Commander III.
Wing Commander III can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Wing Commander III and try to save it in another file format, also supported by Wing Commander III.