.VMT

.VMT file extension

This is the basic program to work with .VMT extension

VMware Workstation

VMware Workstation VMware Configuration File

VMware Workstation lets you run multiple operating systems as virtual machines inside your Windows PC. It is useful for IT professionals, developers, and businesses who build, test, and demo software applications for multiple OS platforms. VMware Workstation supports DirectX 10.1 and OpenGL 3.3 for a responsive interface while running 3D applications... (more)

The program works with the following extensions: vmt, vmx, ova, ovf, vmc, xvm, vmac, vmsn, vmba, conf, vmhr, vmtm, vmxa, vmpl, vmsd, vmxf, sv2i, vmdk, nvram and vmlog

.VMT extension is also supported by the following program:

VTFEdit

VTFEdit Valve Material File

VTFEdit is a GUI frontend for the functions contained within VTFLib an LGPL open.