Creators on platforms like ArtStation or Free3D package models this way to ensure compatibility across different software.
3D File Formats: OBJ, FBX, GLB, USDZ, and Delivery - Threedium FBX OBJ.rar
Importing ready-made 3D models into engines like Unity or Unreal Engine. Creators on platforms like ArtStation or Free3D package
A high-fidelity format by Autodesk that supports complex data like animation, textures, and skeletal rigs. and skeletal rigs.