By default, all software supports multiple file extensions. A4Desk Pro supports at least 1 different file extensions. The basic files that A4Desk Pro supports are .A4P. However, not all of the extensions listed on the list are always used to save the effects of work in A4Desk Pro. Very often, files with such extensions are used as source data files used by A4Desk Pro.
A4Desk Pro 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 A4Desk Pro and try to save it in another file format, also supported by A4Desk Pro.