By default, all software supports multiple file extensions. IMail Server supports at least 3 different file extensions. The basic files that IMail Server supports are .GSP. However, not all of the extensions listed on the list are always used to save the effects of work in IMail Server. Very often, files with such extensions are used as source data files used by IMail Server.
IMail Server 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 IMail Server and try to save it in another file format, also supported by IMail Server.