Think of all the important files on your Mac. Your massive photo collections of your children growing up, that vacation you took a couple of years ago, or that party you went to in your younger days. How about your important documents from work or school. Now think what would happen if all of that disappeared in an instant. Maybe you lose your MacBook, or it’s stolen. Maybe something inside your computer fails, like your storage drive. Or, one day, you turn on your computer, and nothing happens. In an instant, all those memories are gone, and all that hard work has vanished. This is why it’s so important to back up your…