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