Select the checkbox by Ignore ownership on this volume in Sharing & Permissions.Open Finder and select File and Get Info.

Connect your external drive and format as macOS Extended (Journaled) if necessary.

That way you can do what you like with the app without impacting your Mac storage. If you’re still struggling to find disk space, you may like to move the iMovie library onto an external drive.

Move the iMovie library to an external drive If you’re still using up too much disk space, it’s time to think about buying a larger disk or using an external drive. It should be more than enough to use iMovie and anything else you need. Delete duplicated files by using Finder and Show Duplicate Items.īy the time you have worked through this list, you should now have a decent amount of disk space free.Delete any iPhone backups you no longer need from iTunes.Clean your system cache in /Library/Caches and ~ /Library/Caches.Clear Safari’s cache by selecting Reset Safari from its menu.Select Applications and delete any you no longer need.Check Mail and select Erase Deleted Items and In All Accounts and Mailbox.Check Downloads and delete anything you have downloaded that you no longer need.Empty Trash Automatically is useful if you don’t often delete files by accident while Reduce clutter is okay if you don’t mind Apple deciding what documents are important or not. Optimize Storage is useful if you watch a lot of TV or movies using iTunes. When you select Manage, you have some options. Presumably, if you’re seeing low disk space messages, you won’t have much available space. You should see a graphical representation of your disk usage where you can see how much storage you have used and how much you have free. Open the Apple menu and select About This Mac.

How to make space on macbook