One thing to keep in mind about Preview is it can only password protect PDF files.

That's all it takes! If you want to protect a file that isn't in Notes, you can via Preview.

Enter a password for the Note you'd like to protect.

In the menu bar of the Notes window, click the 'lock' icon.

Select the file you want to protect with a password.

Whichever method you choose, follow these steps to password protect Notes files: You can create a notes file from scratch, or scan in a document on your iPhone, which is saved as its own unique document. NotesĪpple's Notes app for macOS can password protect individual files with a few clicks. Here are two core methods for password protecting files on your Mac. Password-protecting folders in Disk Utility is the most secure method Apple has, but you can still use passwords to prevent prying eyes from seeing just about any document on a Mac. Under 'Image Format' select 'read/write' from the menu Select the folder you want to protect with a passwordĬhoose your encryption level: 128-bit, or 256-bitĮnter and verify the password for your folder

In the ensuing menu, select 'Image from Folder'.

With Disk Utility open, select 'File' from the menu bar.

Once you've settled on how you want your files stored, follow these steps to lock folders with a password on your Mac: This is a good time to consider how you want to save files don't just dump everything into one large folder, use individual folders or sub-folders for better organization. First, make sure everything you want to password protect is in a folder on your Mac.

You can password protect folder contents using macOS and Disk Utility, a built-in utility on your Mac.

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