This is one way to password-protect a folder. It uses a free program called 7-Zip … This is very useful for folders of data that are saved on USB drives or external drives. If they drive is lost or stolen, the data still has a level of protection by being password-protected. view the quick video to see how it is done!

Password Protecting a Folder

Once the folder is password-protected, simply copy it to your removable or external drive.