2757 SGI Movie File Video SGI Movie is a proprietary video file format associated with Silicon Graphics products, including IRIX. Other names for it include SGI video and mv. The format was supported by programs such as movieplayer, capture and others. 180 The National Archives and Records Administration / The National Archives and Records Administration 18 Aug 2023 18 Aug 2023 fmt/1901 PUID mv File extension movie File extension 2247 SGI Movie File BOF:'MOVI' followed by 3 x 0x00 (Null) followed by 0x03 (End of Text) 1 Absolute from BOF 0 0 4D4F564900000003