This article explains two file formats with the MSDVD file extension. It also explains how to open both types, and how to convert your file to another format.
How can I convert a .msdvd file to… well, /*any/* video file that isn't .msdvd (Haven?
A file with the MSDVD file extension is a Windows DVD Maker project. It is not the actual media data that this file contains, but instead the XML content that is used to describe the DVD's menu buttons, title, media files to be included in the DVD, and more.
Other files with the MSDVD extension are macros created by Macro Magic.
MSDVD files can be opened with Windows DVD Maker. This software is only included with Windows Vista and Windows 7.