

This method for putting password on folder works on all recent macOS versions including macOS Catalina. Here’s a guide that will show you how to put a password on folder on Mac. So without any further ado let’s find out how to lock a folder on Mac. The best thing about this method is you will be using the Mac’s built-in security feature and not relying on any third-party applications, that are often paid and unreliable.
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By making the DMG file read and write you will be able to add new files to it like you normally do on a folder. Once you are done using this folder you can simply eject it. For this we will be turning your folder into a secured DMG file that can be mounted and used like a normal folder to access files.

In this guide we will show you how to password protect a folder on Mac. This is a great solution for keeping files safe on a shared computer, when you don’t want others in your home or workplace to snoop around your private files. Every time someone tries to open the locked folder your Mac will ask him or her to enter the password. Having a password protected folder on Mac means no one except you will be able to access its content. If you have a Mac folder with sensitive files in it, then it is a good idea to password protect it.
