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