The MDS file extension is used to identify media descriptor files that store information about the formatting structure of CDs and DVDs. The MDS file includes metadata about the original media, the position of the layer breaks or layer breach bit, a property of the copy protection feature of many DVDs. A MDS file is often conjunction with .ISO file or .MDF file.
The MDS file extension is associated with the SeeYou Navigating and analysis software for Microsoft Windows used by glider pilots. This file is used in the SeeYou application and includes raster map data.
The MDS file extension is associated with the DirectX suite of application programming interfaces used by multimedia applications and video games in Microsoft Windows operation system. This file includes Mid2stream data.