How to Fix QuickTime MOV File with No Sound?

QuickTime is a media player to play MOV files on both Mac and Windows system. Sometimes MOV files loses audio where video is encoded in a format which is inaccessible to QuickTime. There are many reasons for QuickTime MOV file no sound. Some of the reasons with appropriate solution are mentioned below: QuickTime MOV File No Sound due to Hardware Issues  It may happen due to faulty system or speakers. So, it is recommended to check the MOV file on other computer in order to be sure that there is no hardware issue.               No Sound After QuickTime Update After