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