If you want to be sure what is taking up space on your Mac, you’ll have to check your Mac’s disk usage. While iMovie is often to blame when you encounter the “iMovie not enough disk space” error, other programs and files can potentially be at fault too. This is an all too common problem since iMovie memory usage can increase as you work on more files.

If you use iMovie often for your video editing projects, you might eventually run into the dreaded “iMovie not enough disk space” warning message. What Causes the “iMovie not enough disk space” error on Mac?

If you still lack free space after performing these steps, you can optimize your storage through built-in utilities or with a 3rd-party application like CleanMyMac X.

Additionally, Package files can take up excessive space in your iMovie Library.

Deleting these files will help you regain storage capacity.

Unneeded project files can make your iMovie Library swell to enormous sizes.

You should start by deleting excess render files from the application.

Render files can take up a lot of space in iMovie.

iMovie builds up many files through regular usage, and eventually, you might see the “ iMovie not enough disk space” warning.

Method 3: Clear out the iMovie Library Package Files.

Method 2: Remove iMovie Project Files from iMovie Library.

What Causes the “iMovie not enough disk space” error on Mac?.

How to clear up disc space on mac