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