By default, all software supports multiple file extensions. Snes9x supports at least 6 different file extensions. The basic files that Snes9x supports are .SFC. However, not all of the extensions listed on the list are always used to save the effects of work in Snes9x. Very often, files with such extensions are used as source data files used by Snes9x.
Snes9x 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 Snes9x and try to save it in another file format, also supported by Snes9x.