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