1845 DirectDraw Surface Image (Raster) The DirectDraw Surface file format was introduced with DirectX 7 to store uncompressed and compressed textures. The file format supports mipmaps, cube maps, and volume maps. 1 Digital Preservation Department / The National Archives 29 Mar 2017 29 Mar 2017 fmt/1040 PUID dds File extension 1399 DirectDraw Surface BOF: magic: 'DDS ', length of header (0x7C000000) = 124 bytes https://msdn.microsoft.com/en-us/library/windows/desktop/bb943991(v=vs.85).aspx#File_Layout1 1 Absolute from BOF 0 0 444453207C000000