Another is by backing up your data via a cloud-based service, like Backblaze or CrashPlan.
One of the easiest methods is locally, using Time Machine. There is nothing more important than backing up your computer in case an unfortunate event happens so you don't lose your precious data. Whether you do so locally using Time Machine, sending it to a cloud service, or installing a duplicate creation program (or all three).
It is vitally important that you back up your Mac.
