How To Lock A Folder On Mac. How to Password Protect a Folder on macOS 1015. Click on the file or folder once to select it.
Open Finder and navigate to the location of the file or folder youd like to lock. This is Apples equivalent to right clicking on a PC. 128-bit or 256-bit Enter and verify the password for your folder.
If you have a Mac folder with sensitive files in it then it is a good idea to password protect it.
When it happens it also allows you to create a password-protected folder in your Macintosh PC. This is Apples equivalent to right clicking on a PC. In the ensuing menu select Image from Folder Select the folder you want to protect with a password Choose your encryption level. This will display a pop-up menu next to the folder.