Summary: I used this to transfer info that was buried in the hard drive of 2 PC's. One was running Windows SP and the other Vista, and also a backup of my Imac that was running Tiger 10.11 so that I can start a clean install of Snow Leopard on my Mac. I was told by professionals that one of the PC's had been wiped clean with nothing on it and the other one was locked up and stolen from me (long story).
Summary: Just use this cable to connect any external hard drive to your computer and the backup begins on its own. Best Thing... You can use the Clickfree on all of your computers (desktops or laptops) and the backups are saved and organized automatically. It's just as easy to return your backed-up info when you need it.