By default, all software supports multiple file extensions. Apple Icon Composer supports at least 1 different file extensions. The basic files that Apple Icon Composer supports are .ICNS. However, not all of the extensions listed on the list are always used to save the effects of work in Apple Icon Composer. Very often, files with such extensions are used as source data files used by Apple Icon Composer.
Apple Icon Composer 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 Apple Icon Composer and try to save it in another file format, also supported by Apple Icon Composer.