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By default, all software supports multiple file extensions. Help Explorer Viewer supports at least 2 different file extensions. The basic files that Help Explorer Viewer supports are .HLP. However, not all of the extensions listed on the list are always used to save the effects of work in Help Explorer Viewer. Very often, files with such extensions are used as source data files used by Help Explorer Viewer.
Help Explorer Viewer 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 Help Explorer Viewer and try to save it in another file format, also supported by Help Explorer Viewer.