2484 XIMG (Extended GEM Bit Image) Image (Raster) The XIMG (Extended GEM Bit Image) image format is more developed version of GEM raster Image [x-fmt/159] which allows for standardised verison of storing colour palettes. It originated due to the specification of GEM format being ambiguous as to the format of color images. The GEM raster format (also known as GEM VDI Bit Image; GEM Bit Image; GEM Image; GEM Bitmap; or IMG) is an image format native to the Graphical Environment Manager (GEM) operating system and developed at Digital Research. The format was used by GEM Paint and Ventura Publisher, and by a variety of Atari ST software. 180 The National Archives and Records Administration / The National Archives and Records Administration 29 Mar 2022 29 Mar 2022 fmt/1657 PUID ximg File extension img File extension 1991 XIMG (Extended GEM Bit Image) BOF; Offset: 0; Magic Bytes: 'XIMG..' 1 Absolute from BOF 16 0 58494D470000 Is subsequent version of 223 GEM Image