As of OS X 10.4 ( Tiger), Preview lost playback functionality and animated GIF files are displayed as individual frames in a numbered sequence. The version of Preview included with OS X 10.3 ( Panther) could play animated GIF images, for which an optional button could be added to the toolbar. TIF (TIFF) – Tagged Image File Format files.RAD – Radiance 3D Scene Description files.PS – Adobe PostScript files (after an automatic conversion to PDF).PDF – Portable Document Format version 1.5 + some additional features.JPEG – Joint Photographic Experts Group files.GIF – Graphics Interchange Format files.EPS – Encapsulated PostScript files (after an automatic conversion to PDF).CR2 – Raw image file used by Canon cameras.AI – Adobe Illustrator artwork files (if PDF content included in file).