How to Password Protect a Folder on MacOS

Everyone has their secrets. Not all of your files are meant to be seen by everyone. In this paper, we’ll teach you how to protect your sensitive files from prying eyes by password protecting specific folders.

Apple’s MacOS lacks the native ability to add password protection to folders, but there is a free method built into MacOS that allows folders to be turned into protected disk images.

Step 1: Navigate to the MacOS Disk Utility within the Applications folder and launch the program.

Step 2: Click “File” in the toolbar, select “New” from the resulting drop-down menu, followed by “Disk Image from Folder.” Then, locate the folder you wish to password protect by perusing the resulting folder, highlighting it, and clicking the “Image” button in the bottom-right corner of the window.

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Step 3: Click on the Image Format option menu and select read/write. Click on the Encryption menu and click 128-bit AES encryption. Afterward, choose your desired save location and click the “Save” button in the bottom-right corner when finished.

Step 4: When prompted, Enter the password for this folder twice and uncheck the box directly left of “Remember password in my keychain” and click the “OK” button in the bottom-right of the window.

Step 5: Once the password-protected disk image has been created, make sure it works as intended by trying to access its content. Once it’s confirmed to be protected as intended, delete the original folder so it can no longer be accessed.

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