What is Time Machine?
Time Machine is a built-in macOS feature that automatically backs up your computer to an external drive or a remote location like a NAS (network attached storage) device.
What is an offsite backup?
An offsite backup is a backup that is not stored on the same physical location as the original data. For example, if you have a computer with a Time Machine backup, you could also have a backup of that computer’s data stored at …