1. Maya Animation File.
Simple animation file created in the Amiga ANIM format; saves a bitmap image frames plus deltas, which store the changes between the frames that make up the animation; used by older Amiga computers. The Amiga ANIM format is based on the Interchange File Format (.IFF files).
Animation file created by Unity, a 3D game development tool; created in Unity's Animation View and saves an animation clip; specifies the moving parts of 3D game objects using animation curves and events; can be scripted with the Unity scripting engine.
DirectX animation file used by Antibody, a rail shooter game; contains animation properties for 3D game objects; used for animating the defender white blood cell, tape worms, viruses, and other objects.