Short description of Folder Lock 6.4.2: Folder Lock is a fast data encryption and password protection software for Windows. It can simultaneously encrypt, lock and password protect your files, folders, drives, USB drives and even CD/DVD-RW. Folder Lock creates encrypted storages called 'Lockers'. You can keep as many of your private files & folders in your Locker and password protect them with a single click. Folder Lock is Windows 7 / Vista / 2003 / XP / 2000 compatible.