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