Convert vta to obj

What is the difference between .vta and .obj?

Description: Valve Face Flex (VTA) is a file type used for creating and editing Valve face textures in Valve Studio, a software package developed by Valve Corporation. It is a proprietary binary format used to store and manipulate Valve's face textures. The format contains data about the size, shape, and other attributes of the textures, as well as the actual image data.; It is one of the most important files in 3D printing and graphics programs. OBJ is a neutral interchange format for storage of non-animated 3D models.