DMSM - VideoWave Movie Project File is used mainly for video editing. If you are looking for an extension for this matter, then this is what you will need to take advantage of when you have the chance. This extension is beneficial because it contains movie project data as well as settings you can make use of. They also consist of different effects and references to video and audio files. Editing information is available through this extension as well. You can also export different files only through this wonderful extension. If you want, you also have the option of burning what you need to right to a DVD or CD. You need to make sure that you are aware of the DMSM files which are not good for sharing with other people. This is because there are references in which these files consist of.