Larger folders may take longer to encrypt.

dmg file will be created based on the folder you selected. Type in any password you desire, and very importantly, make sure the checkbox for ‘Remember password in my keychain’ is NOT ticked, else it will defeat the whole purpose of encrypting your folder.

Choose ‘read/write’ if you want your folder to be edit-able (if not, just choose another format), and choose ‘128-bit AES encryption’.

Select the folder you want to encrypt, and click Image.

Then, click on File > New > Disk Image From Folder.

Here are five simple and easy steps to encrypt your folder on Mac. You can create an encrypted disk image from your specified folder directly. If you encrypt an external device, you must enter the password when you connect the device to your computer. If you encrypt an internal disk, you must enter a password to access the disk and its information. Using Disk Utility, when you format an internal or external volume, you can encrypt and protect the volume with a password. Do you want to password protect your sensitive Mac folder from unwanted access and prevent data loss? Lean how you can encrypt a folder on Mac using Disk Utility.

Encrypt folder mac