Now, click on the Share (Export) option at the top-right corner of the iMovie interface and then, select 'File' from the drop-down option. Once the video is loaded in the iMovie interface, select and drag it to the iMovie timeline. Use it to select the video or movie from which you want to separate audio. After that, click on Import Media and the Finder wizard will pop up.

Now, hit on the Projects tab and then, click on the Create New option to begin the process. From the Launchpad of your Mac, click on Applications and find and launch iMovie from the list of installed applications. Check out yourself how to separate audio from video iMovie on your Mac: Remember, iMovie is compatible with Apple products only so, don't try to use it on Windows. It makes it ridiculously easy to extract audio from any video file, be it a small clip or a whole movie. IMovie is probably the most exciting video editing software developed by Apple. Extract Audio from Video on Mac without iMovie

How to Extract Audio Clip from Video in iMovie How to Extract Audio from Video in iMovie

Export movie from imovie