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