.VDI File Extension

Virtual drive format used by Oracle VM VirtualBox, an open-source desktop virtualization program; can be mounted as a hard disk on Mac, Windows, and Unix platforms; allows users to run programs written for different operating systems in a high-speed virtual environment.

Sun Microsystems acquired xVM VirtualBox from innotek in early 2008. Subsequently, Oracle acquired Sun Microsystems in 2010 and now develops VM VirtualBox.

Exact copy, or image, of a CD created with Virtuo CD Manager.

File used by StepMania, a rhythmic dance program that includes support for dance pads; contains debug information used for reporting program crashes in Windows; stored in a binary format and usually has the filename StepMania.vdi.