.OVA

.OVA file extension

This is the basic program to work with .OVA extension

VMware Workstation

VMware Workstation Open Virtualization Format Distribution Package

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

.OVA extension is also supported by the following programs:

VMware Workstation Player

VMware Workstation Player Open Virtualization Format Distribution Package

VMware Player Pro is a streamlined desktop virtualization program.
Web Studio

Web Studio Web Studio Web Page

Web Studio is an easy to learn web design program.