By default, all software supports multiple file extensions. RISA-2D supports at least 1 different file extensions. The basic files that RISA-2D supports are .R2D. However, not all of the extensions listed on the list are always used to save the effects of work in RISA-2D. Very often, files with such extensions are used as source data files used by RISA-2D.
RISA-2D 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 RISA-2D and try to save it in another file format, also supported by RISA-2D.