With Filestar you get 14 different skills for working productively with Valve Face Flex (.vta) files.
About .Vta
Name
Valve Face Flex
Extension
.vta
Category
3D
Developer
Valve Corporation
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.