Using FileVault, you can encrypt the entire contents of your Mac and password protect access to your hard drive. How to encrypt your Mac hard driveĬonsider this the motherlode of password protection for your Mac. All you have to do is export them as a PDF, then encrypt that PDF file on your Mac using these steps. You can easily password-protect various files such as images, tables, or text.

Open the necessary PDF file in the Preview mode.

You can also follow these steps to protect other iWork files, like Keynote or Numbers.

You will be prompted to enter a password and select a password hint.

Click the lock icon and select Lock Note.

Create a new note or choose an existing note.

While Disk Utility remains the most secure way to password-protect files and folders on your Mac, there are a few alternative methods to avoid unauthorized access. Only now, can you go ahead and delete the original folder. Double-check to confirm you can access the disk image and files inside it. The original, unencrypted folder is still on your computer.

Encrypt folder mac