By default, all software supports multiple file extensions. TextMate supports at least 80 different file extensions. The basic files that TextMate supports are .MD. However, not all of the extensions listed on the list are always used to save the effects of work in TextMate. Very often, files with such extensions are used as source data files used by TextMate.
TextMate 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 TextMate and try to save it in another file format, also supported by TextMate.