Backing up your files on your computer, phone, and other devices is a crucial part of modern life, but it’s all too easy to do it wrong—even when you think you’re doing everything right.
This article is well worth a read, even to just tick off what you are doing correctly, and what you maybe need to still address. A little planning goes a long way during a crisis later on.
See https://www.howtogeek.com/894595/common-backup-mistakes-most-people-make/