If you need to password protect and/or encrypt data you frequently use, you will need to install a third-party program that will enable you to protect your files and folders. Below are some free and commercial solutions.
* AxCrypt - An excellent free encryption utility that enables users to encrypt all files within a folder and not allow those files to be viewed unless a passphrase (password) is known.
* WinCry - A freeware utility that enables your files to be encrypted, secure deletion, as well as other helpful methods of protecting your files.
* Folder Guard - A commercial version of a password protection software that enables you to password protect files, folders, and other Windows resources.