By default, all software supports multiple file extensions. Middleman supports at least 17 different file extensions. The basic files that Middleman supports are .MARKDOWN. However, not all of the extensions listed on the list are always used to save the effects of work in Middleman. Very often, files with such extensions are used as source data files used by Middleman.
Middleman 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 Middleman and try to save it in another file format, also supported by Middleman.