A lot of the best Chromebooks and even some great ChromeOS tablets are lightweight and efficient machines when you compare them to the best Windows laptops. As a web-based operating system, much of ChromeOS lives online. That means that the data you carry in Google Chrome is likely already being synced and saved with your Google Account. But if you run into an issue with your Chromebook, or want to move to a new one, then there are multiple ways you can back up your data.