By default, all software supports multiple file extensions. Frontier supports at least 1 different file extensions. The basic files that Frontier supports are .2CLK. However, not all of the extensions listed on the list are always used to save the effects of work in Frontier. Very often, files with such extensions are used as source data files used by Frontier.
Frontier 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 Frontier and try to save it in another file format, also supported by Frontier.