By default, all software supports multiple file extensions. CCS64 supports at least 2 different file extensions. The basic files that CCS64 supports are .C64. However, not all of the extensions listed on the list are always used to save the effects of work in CCS64. Very often, files with such extensions are used as source data files used by CCS64.
CCS64 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 CCS64 and try to save it in another file format, also supported by CCS64.