.VDI File Extension
File Type 1VirtualBox Virtual Disk Image
What is a VDI file?
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.
File Type 2Virtuo CD Manager Disk Image
.VDI File Association 2
Exact copy, or image, of a CD created with Virtuo CD Manager.
File Type 3StepMania Debug Resource File
.VDI File Association 3
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.