By default, all software supports multiple file extensions. B1 Free Archiver supports at least 11 different file extensions. The basic files that B1 Free Archiver supports are .RAR. However, not all of the extensions listed on the list are always used to save the effects of work in B1 Free Archiver. Very often, files with such extensions are used as source data files used by B1 Free Archiver.
B1 Free Archiver 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 B1 Free Archiver and try to save it in another file format, also supported by B1 Free Archiver.