By now, we're sure you've read the advice over and over: Everyone needs to back up their files. But deciding to back up your files is only part of the process. There are so many different ways to back up your files, and it can be hard knowing where to start. We'll cover all the best ways you can back up your files and help you find the method that's right for you. The most important thing is having several copies of your files -- either on an external drive or in the cloud somewhere.