.VDX File Extension

Video file used by The 7th Guest, an older 3D puzzle game developed by Trilobyte and released in 1993; saves cutscenes and other movie clips played back during the game; can be converted to .AVI video using VDXExt, which is included in The 7th Guest Toolset.

Drawing or chart created with Microsoft Visio, a program for creating business diagrams and flowcharts; similar to a standard .VSD file, but saved in an XML format.