Are you insane? Windows backup software is a program that enables you to backup your files. This means that the software program will copy your files to another location on your computer. Duh! If a virus hits, or spyware, or hacker, then you are out of luck despite what backup Windows has offered you. You may be able to recover some files, but if you have to reformat your hard drive, well then you better get up to par how Windows backup software works to learn ways to recover your files. But, as a computer tech repair, and technician, I can tell you this, if you have to reformat your hard drive, you are out of luck. But…Windows backup software is useful. You can transfer your files using Windows software to another remote computer, which means that your files are safe, unless a fire or some other unforeseen occurrence takes place that is and hits that remote computer. Let’s get real here, nothing is permanent, but if you use Windows backup software to send your files to a remote computer, you will have a better ground to stand on, than had you left your files on an Online system.