Open Notes → select a note you want to lock.Now that you’ve set up a password for your notes, you can begin locking them. You can always click Use Password and type down your password instead of using your fingerprint. Once activated, you’ll be required to use your Touch ID to unlock your notes going forward. If you select this, a prompt will appear, asking for your notes password. You may also tick Use Touch ID to use your fingerprint to unlock your notes. The hint will appear after you use the wrong password twice. You may want to add a hint to help you remember your password. Enter a password in the password field.Select an account beside Locked notes if you have multiple accounts.Open the Notes app → head to the menu bar → click Notes → Preferences.Aside from using a password, you may also opt to unlock your notes using: On your Mac, you can set a password that you can use to lock and unlock any note. However, this feature will not be available if you’re syncing your Notes account to a third-party email service like Gmail or Yahoo. If you’re storing notes on Mac, i.e., all notes are stored just on Mac, and the iCloud sync is turned off.When an update is needed, you’ll usually spot an Upgrade button beside iCloud on your Notes sidebar. If you’re storing notes on iCloud and the sync is enabled, ensure that the iCloud notes are updated.Important: You can lock your notes on Mac whether you’re storing them on iCloud or not. How to set a password to lock your Notes.Read on to learn how to lock Notes on your Mac and manage them. While you cannot lock apps on Mac without the help of a third-party tool, you can create a password or use your Touch ID to lock your notes to ensure that no one else can access them. That said, you need to add a layer of protection to your Notes. If you’re like me, you also use it to store personal data, like login credentials, codes, important web clippings, and personal accounts. Apple’s built-in note-taking app is a handy way to jot down ideas, to-dos, and other information that you intend to keep.

How to lock a folder in notes