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