Dropbox is a mobile document and media storage tool that allows users to sync files online for backup. Anything like movies and music on the computer can be saved to the Dropbox. It can support a wide range of formats like .mp4, 3gp, .avi, .mov, wmv, .mpg, .mkv, etc. However, it can not support DVD disc or DVD Video_TS folder directly. Therefore, if you want to add DVD movies to Dropbox for streaming and playback on media devices, you have to convert DVD to MP4 or other formats compatible with Dropbox.