By default, all software supports multiple file extensions. Microsoft Flight Simulator 98 supports at least 1 different file extensions. The basic files that Microsoft Flight Simulator 98 supports are .MDL. However, not all of the extensions listed on the list are always used to save the effects of work in Microsoft Flight Simulator 98. Very often, files with such extensions are used as source data files used by Microsoft Flight Simulator 98.
Microsoft Flight Simulator 98 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 Microsoft Flight Simulator 98 and try to save it in another file format, also supported by Microsoft Flight Simulator 98.