By default, all software supports multiple file extensions. SAP2000 supports at least 1 different file extensions. The basic files that SAP2000 supports are .GTI. However, not all of the extensions listed on the list are always used to save the effects of work in SAP2000. Very often, files with such extensions are used as source data files used by SAP2000.
SAP2000 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 SAP2000 and try to save it in another file format, also supported by SAP2000.