About MOV Format and How to Convert MOV Files
MOV (QuickTime Movies) is the universal video format on Mac OS X. iPhone/iPad/iPod capture videos in MOV format so you can easily play these videos with QuickTime Player application on your Mac. One of the biggest advantage of MOV format for Mac is that you can always see the thumbnail of a video and play it in a click if you want.
QuickTime MOV format is a multimedia container format which can contain one or more tracks for storing video, audio, effects and subtitle. Like MP4, QuickTime MOV format also use MPEG-4 standard. However, as a worldwide standard format, MP4 is supported by more devices and systems. So MOV to MP4 conversion is usually a good solution if you find out your MOV files won't play.
However, there might be other problems. If your video are MOV files, you'll find it difficult to edit, burn or stream these files on Windows. In such cases, you can convert .MOV files to .WMV files to fix the problem. Also, some MOV video files are too long or too large to be uploaded to YouTube. So you need to convert MOV to FLV before uploading.