Follow the steps below to move your library to an external drive or to a different location on your computer.
iMovie libraries should not be placed in a folder that syncs with online storage services such as iCloud Drive, Dropbox, or Google Drive, as this can damage some libraries.
Before you move iMovie library, it's a good idea to back it up. Learn how in Mac Basics: Time Machine backs up your Mac.
Move your library
- 
	
- Quit iMovie. 
	
- In the Finder, choose Go > Home. 
	
- Open the Movies folder. Locate the iMovie Library file. 
	
- Drag the iMovie Library file to your external drive or a new location on your computer. 
	
- Double-click the library file to open it. 

Learn more about working with multiple iMovie libraries.