the quicktime file extension (mov)
Your search ends here if you’re a new computer user and cannot figure out how to open the File Extension MOV. QuickTime is an application developed by Apple that plays multimedia files such as music, video, and even interactive panoramic images. The File Extension MOV is specifically for videos made to play in QuickTime.
The basic version of QuickTime 7 is a free player currently available bundled with iTunes, a popular music application that syncs computers with iPods and organizes music libraries. Apple also hosts movie trailers on their site in MOV format that play exclusively with the QuickTime plugin which allows your web browser to play MOV files. Due to the popularity of QuickTime files, most users will need the player installed on their computer in order to be compatible with this format.