How To: Lock files and folders in Mac OS X

Lock files and folders in Mac OS X

Want to make sure that a document isn't accidentally edited or overwritten? It's easy; you just need to lock the file. All you need to do is right-click on the file, expand its general information, and check the Locked box. For a video walkthrough of the file locking process in Mac OS X, watch this video lesson from Apple.

Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:

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