Locating Render Files
Final Cut Pro stores video render files in a folder named Render Files. By default, this folder
is located in a folder called Final Cut Pro Documents, which is located on the specified
scratch disk. The Final Cut Pro Documents folder contains separate folders for video render
files, audio render files, captured media, and caches for waveforms and thumbnails.
Rendering and Video Processing Settings
Inside the Render Files folder, Final Cut Pro creates a folder for each project with
Do not delete render files when you’re working in the Finder. Instead, use
the Render Manager in Final Cut Pro to delete render files.