Installer file format used for distributing Adobe AIR applications; AIR stands for "Adobe Integrated Runtime" and is a multi-platform environment for running Internet-based applications on the desktop.
NOTE: Windows Vista systems may not correctly register the ".air" file extension due to a locked file-type association in the registry.
Game file used by M.U.G.E.N., a 2D fighting game engine; specifies animations for character movements, such as running, jumping, kicking, or using a special ability; can also specify animations for the background as well as health bars.
AIR files are saved in a plain text format and can be edited with a text editor.
NOTE: AIR files specify how the sprites stored in .SFF files are animated.