2413 TGIF File Format Tgif (pronounced t-g-i-f) is an Xlib-based interactive 2-D drawing tool (using vector graphics) under X11 on Linux and most UNIX platforms (including Mac OS X and cygwin on Windows). It was developed since 1990 and is free software released under the QPL license. 180 The National Archives and Records Administration / The National Archives and Records Administration 04 Jan 2022 04 Jan 2022 fmt/1588 PUID tgif File extension obj File extension 1927 TGIF file format BOF; Offset: 0; Magic Bytes: '%TGIF' 1 Absolute from BOF 0 0 2554474946