What is a DV-AVI file? Video file format created by Microsoft to handle digital video in .AVI files; stores DV video from a digital camcorder in an AVI file container; may be one of two types: Type-1 : AVI file containing one DV data stream; stores combined, or "muxed," audio and DV video in a single interleaved stream. Type-2 : AVI files containing DV video and DV audio streams; separates the interleaved data into separate streams. DV-AVI files can be played back with several different video player programs.