Using this method you can simply lock and unlock the files and folders on your Mac.

Steps to Lock files and folders on macOS: Because it is easy and many people do not know how to use the terminal. The reason that I started to lock files and folders in macOS using graphically is simple. How to Lock Files and Folders in macOS Graphically? # You can use any method which are comfortable with. Apparently there are two methods that you can use to lock your files and folders in macOS, the graphical user interface and the complex method terminal. Now you know the reason why you should use this feature. At least that is what I am using the lock feature inside MacOS. This is the only main reason that you may want to lock your file on your Mac. No, it means prevent it from bringing changes like deleting accidentally or if you have given the computer to someone who has the user and password, stop him from making changes to the document or the file. Locking the file does not mean encrypting it with password and not letting anyone else to check it out. If your Hard Drive holds sensitive and important data on your computer then you also must protect it too. Locking the files does not mean encrypting and not allowing other to access it. This post covers how to lock files and folders in macOS Ventura, Monterey, Catalina, Big Sur and older versions of macOS.

How to lock a folder on a mac