There are 2 file types use the .OVA file extension:
1. Open Virtual Appliance
An OVA file is a virtual appliance used by virtualization applications such as VMware Workstation and Oracle VM Virtualbox. It is a package that contains files used to describe a virtual machine, which includes an .OVF descriptor file, optional manifest (.MF) and certificate files, and other related files.
The OVA file is saved in the Open Virtualization Format (OVF), which is a standard format used to package and distribute software that is run in virtual machines. OVA files are simply an OVF directory saved in a single archive using .TAR packaging for distribution purposes.
NOTE: OVA files are also known as Open Virtual Applications.
Updated: October 13, 2016
2. Octava Musical Score
Musical score created with Octava, a German music notation and composition software program; contains staffs, bars, notes, and supports many advanced score formatting options; can be created using a mouse and keyboard or using a MIDI input device.
Updated: October 16, 2007