The term FILE TYPES can refer to a variety of different file formats, such as text documents, images, audio files, and videos. The crossword solution RASPS is an acronym for the four main types of file extensions: RAR, AVI, SPS, and PSD. RAR is a compressed file format used to store multiple files in one archive, AVI is a video file format, SPS is a spreadsheet file format, and PSD is an image file format.