FBX file format is used to store 3D object information and in some cases it can also store motion of the object along with the audio data. This file format was previously used by AutoDesk software but now this file format is supported by a number of 3D model software applications.

This file format is compiled using C++ SDK therefore in order to provide support for multiple applications the file also contains header file which is used to acquire information related to the file itself. The data stored in this file format can either be in ASCII format or can be in binary form depending upon the SDK methodology used to save the file.