Convert vta to 3mf

What is the difference between .vta and .3mf?

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.; 3mf is an additive manufacturing XML-based file format. 3mf files hold data on color, material, and all other details that can't be stored in the STL format.

MIME Type: application/x-valve-face-flex; application/vnd.ms-package.3dmanufacturing-3dmodel+xml