How to back up your Mac with Time MachineTime Machine is the Mac's built-in backup software.
The feature was introduced with OS X 10.5 Leopard, and it's been there ever since. If you've never used it, Time Machine is one of the easiest ways to back up your Mac, and is great for recovering individual files you've deleted or restoring your entire hard drive in the event of a catastrophe.
How does Time Machine work?
Time Machine works with any hard disk connected to your computer via USB, FireWire, or Thunderbolt; it also supports Apple's Time Capsule and backup disks connected over a network, provided the disks support Apple File Protocol (AFP) file sharing. As long as the disk is available to your Mac, you can use it for a Time Machine backup.
When enabled, Apple's backup software takes periodic snapshots of all your files and catalogs them on an external hard drive you have plugged in or a Time Capsule you've hooked up to your network. It backs up the entire contents of your hard disk hourly, daily and weekly; as the dr...
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How to back up your Mac with Time Machine
