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