Where apps hide your files
Final Cut Pro backs up each library's database into a folder in Movies by default, and deletes backups after several days. Here is where to look, how to restore one, and how to change the location.
By default, Final Cut Pro saves library backups in a folder inside your Movies folder, with one subfolder per library:
~/Movies/Final Cut Backups/<library name>/
Apple's Final Cut Pro User Guide calls it "the Final Cut Pro Backups folder in the Movies folder", and has used that wording in every edition from 10.4.7 to 12.4. The folder name Apple Community regulars quote from their own Macs is Final Cut Backups, which is what you should expect to see in Finder. Apple-created folders in Movies can also carry a hidden .localized ending in Terminal (Final Cut's Motion Templates.localized is one), so rather than guess, let the shell find the real name:
ls -d ~/Movies/Final\ Cut*Backup*
That matches all three spellings and changes nothing. Open the folder from Finder with Go > Go to Folder (⇧⌘G) and ~/Movies, or from Terminal with open ~/Movies, then open the backups folder you see there.
Final Cut Pro is not installed on the Mac used for this guide, and its Movies folder has no backup folder, so the details here come from Apple's guide and Apple Community answers rather than a local listing.
Apple's guide states three things about backups:
Because they hold no media, backups are small. If your media lives outside the library, or the library's drive fails, a backup cannot bring the footage back, so keep a separate copy of the media.
Apple's steps:
Apple says the backup is added to the Libraries sidebar as a library. It opens beside your current library rather than replacing it, so you can compare the two before deciding what to keep. If Final Cut Pro will not open the damaged library at all, double-click a backup in Finder instead.
Apple's guide says Final Cut Pro automatically deletes library backups that are more than several days old. It gives no number of days, so do not treat the folder as an archive. When you finish a project, or before a risky change, copy the latest backup to somewhere permanent.
Apple says only that backups are made "at regular intervals". Larry Jordan, an independent Final Cut trainer, writes that a backup is made about every 15 minutes while you are changing a library, and none while nothing changes; Apple does not confirm the interval.
The setting belongs to each library. Apple's route:
Apple notes that new locations apply to future backups only: existing backup files stay where they are, so move them yourself if you want them together. A backup on a different drive from the library is the more useful choice, since one on the same drive fails with it.
Deleting a backup does not touch the library it came from, so trashing backups you no longer need is safe. Keep at least the newest one for any library you are still working on, and never delete the backups of a library you are trying to repair. Quit Final Cut Pro first, then move files to the Trash in Finder rather than using rm.
Time Machine backs up your Movies folder unless you excluded it, so it keeps older copies of these backups than Final Cut Pro does. On a new Mac, copy the libraries themselves first; old backups are worth copying only if you may need an earlier state of a project. Backup locations are set per library, so open Library Properties on the new Mac and check where each library will back up.
The backups folder sits in Movies, which Spotlight can search, but every backup carries the library's name plus a date. A search for a project or library name returns the library, every backup and your exports together, with nothing to tell them apart.
In Everywhere, type the library's name to list the library with every dated backup beside it, each with its folder path, so you can tell at a glance whether backups land in Movies or in a folder you chose in Modify Settings. Typing Backups shows the backup folders themselves. Movies is a protected folder, so Everywhere finds these once it has Full Disk Access, and it matches file names only, not what is inside a library.
In a folder inside ~/Movies: Apple's guide calls it Final Cut Pro Backups, and Finder usually shows Final Cut Backups. Run ls -d ~/Movies/Final\ Cut*Backup* to see the exact name on your Mac.
Select the library, choose File > Open Library > From Backup, pick a date in the Restore from menu (or Other to browse), and click Open. The backup opens as a separate library.
No. Apple says backups hold only the database portion of the library, not the media files, so keep a separate copy of your footage.
Select the library, choose File > Library Properties, click Modify Settings and use the Backups pop-up menu. Existing backups stay where they were.
Everywhere keeps track of every file on your Mac — including the folders Spotlight hides and drives you have unplugged. Free for a day, then $19 once.
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