… for Apple Final Cut Pro X
Tip #778: Delete Render Files to Save Space
Render files save time – but take space. Delete them whenever you need more space.
Final Cut Pro X creates render files whenever you apply an effect to a clip, or change a setting in the Inspector. This is not bad, in fact, its a good thing – because it allows FCP X to play even the most complex effects at full speed and resolution. However, these render files take space. They are as big as a “normal” video file – in fact, they use the same codec, frame size and frame rate as your project.
While you need them for any clips in your project, FCP X does not erase them when you remove a clip. Why? Because it assumes you may want to use that same clip and effect somewhere else in your project. So it saves the render files to save you time later.
This means that render files accumulate, taking up a lot of extra storage space. Fortunately, it is easy to get rid of them, here’s how.
- Select the Library, if you want to make a global change.
- Select an Event, if you want to delete render files only for the elements in an event.
- Select a Project, if you only want to delete render files for a specific project.
- Choose File > Delete Generated Media.
- Choose Delete Render Files > Unused Only.
All unused render files will be deleted.
You can delete “All” render files, but as soon as you reopen a project, any needed render files for that project will be re-created; this means you don’t really save much space by deleting all renders. A better choice for active projects is “Unused only.”
When a project is done, though, feel free to delete all render files to save space. In the event you delete render files that Final Cut needs, no problem. FCP X will simply re-create them. No problem.
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