Western Digital makes superb external book style hard drives. They are a great way to store up to 1 TB of extra information that is accessed by means of a USB drive port on your personal computer. They are also tremendously helpful for archiving folders and files that are no longer needed daily but may be needed in future. Unfortunately the same high volume external hard drives have been known to easily become damaged or overwrite connecting sectors of information. When these problems occur, you must scan that huge hard drive with a tool designed for Western Digital data recovery.