By default, all software supports multiple file extensions. Build-a-lot 3 supports at least 1 different file extensions. The basic files that Build-a-lot 3 supports are .BUILDALOT3SAVEDGAME. However, not all of the extensions listed on the list are always used to save the effects of work in Build-a-lot 3. Very often, files with such extensions are used as source data files used by Build-a-lot 3.
Build-a-lot 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 Build-a-lot 3 and try to save it in another file format, also supported by Build-a-lot 3.