By default, all software supports multiple file extensions. GNU Make supports at least 3 different file extensions. The basic files that GNU Make supports are .MK. However, not all of the extensions listed on the list are always used to save the effects of work in GNU Make. Very often, files with such extensions are used as source data files used by GNU Make.
GNU Make 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 GNU Make and try to save it in another file format, also supported by GNU Make.