Create a new library in your external hard drive. I tend to use iMovie for a lot of simpler videos. How To Move Imovie Videos To An External Hard Drive External Hard Drive External Event When you open iMovie you can collapse her folder and vice versa to avoid having to see all of the projects for the non-active user. Move imovie library to external drive . If an alert appears asking you to give iMovie access to a removable volume click OK. Please like and subscribe if you found th. Dragging and dropping will also copy the images or. A short video demonstrating how to move your iMovie library to an external drive to free up space on your computer. Open the Movies folder then drag the file named iMovie Library to your external hard drive. To move an iMovie project to external drive hold down the Command key as you drag the project to the connected hard drive and then choose Move project or Move project and Events. A new library will appear in the sidebar. Go to File...