If you aren’t already backing up your important files, you should be. Whether it be by manual copying files over to multiple hard drives or using a system like Apple’s Time Capsule, it’s very necessary to keep your files in more than one place. Why? Simply put, hard drives break. Sometimes they break for no reason, too. It’s always best to be prepared. You may be wondering what exactly you should back up. Fortunately, that’s what this entire article is about!