Just recently I lost a hard drive and had to have the data recovered. I just did not back up like I should. On a Forum someone suggest syncbac. I downloaded the free software and it is simple to use and backs up automatically.
I just tell it what folders I want to back up and where too. I have a laptop, desktop and two external hard drives. When I change something in that folder it will sync all my devices. It works in the back ground and you never have to worry about backing up again.
This is a must have!