Two Ways To Password-Protect Files On Your Mac (MacMost #1998)

View in HD at . If you need to encrypt some files so the only way to acess them would be with a password, you can use one of two methods. By using Disk Utility you can create read/write disk images that can be opened on any Mac. But if you need to send some files to another person, you may want to instead use the Terminal to create an encrypted ZIP achive that will work on Windows as well.