The .fbx file extension is a proprietary file format originally developed by Kaydara. Autodesk bought the license for the file format last 2006 and the owner of it since then. The .fbx format originated as a replacement file format for Canadian company Kaydara's Filmbox- a software for recording data from motion capture devices. Filmbox is shortened to FBX, hence, it became a file extension for 3Ds and video- related contents.
The FBX main purpose is to provide interoperability between digital content creation applications. The .fbx files allow computer- based creations to be opened, edited, and modified across many applications and systems. FBX is also part of Autodesk Gameware, a series of video game middleware.
FBX files can be converted from .obj, .dxf, .3ds, and .dae formats using the free FBX conversion utility.The FBX can be represented on-disk as either binary or ASCII data. The ASCII format is a tree structured document with clearly named identifiers. FBX files can work with many 3D authoring tools and software.
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