By default, all software supports multiple file extensions. Command and Conquer: Red Alert 3 supports at least 9 different file extensions. The basic files that Command and Conquer: Red Alert 3 supports are .BIG. However, not all of the extensions listed on the list are always used to save the effects of work in Command and Conquer: Red Alert 3. Very often, files with such extensions are used as source data files used by Command and Conquer: Red Alert 3.
Command and Conquer: Red Alert 3 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 Command and Conquer: Red Alert 3 and try to save it in another file format, also supported by Command and Conquer: Red Alert 3.