Step 1: Open the iMovie software and select the video that you want to Loop.
Step 2: Consider the Loop Playback feature by clicking on the View menu. After that, play the video, and it will start looping the video continuously for you until you manually stop it.
Step 3: If you want to export the move anywhere else, you can click on the share button.
Step 4: Now, select the option for file and then click on the next option. From there, you have to save the video from converting and then saving it.