By default, all software supports multiple file extensions. Weibull++ supports at least 7 different file extensions. The basic files that Weibull++ supports are .RLT. However, not all of the extensions listed on the list are always used to save the effects of work in Weibull++. Very often, files with such extensions are used as source data files used by Weibull++.
Weibull++ 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 Weibull++ and try to save it in another file format, also supported by Weibull++.