Once the backup drive is full, the oldest backups are deleted from Time Machine. It also keeps weekly backups for as long as the external drive that you’re using for Time Machine has available space. Time Machine keeps these hourly backups for the past 24 hours, then keeps a daily backup for the past month. Once the first backup is complete, Time Machine checks your Mac for new, changed, and deleted files once every hour. This initial backup can take some time, so be patient and allow it to finish. Time Machine performs a full backup of your Mac when it is first set up. How often does Time Machine back up your Mac, and for how long? An Apple AirPort Time Capsule or an OS X Server on the same network as your Mac.An external hard drive or SSD connected to the USB port of an Apple AirPort Extreme 802.11ac or other Wi-Fi routers that specifically provide Time Machine compatibility over a Wi-Fi connection.OWC offers a huge variety of external drives, using FireWire, USB 2, USB 3, Thunderbolt and Thunderbolt 2 connections. An external hard drive or solid state drive connected to the Mac over USB, FireWire or Thunderbolt.Time Machine can back up to many devices:

To start setting up Time Machine, you need to have a backup destination - the device on which your files will be backed up. We show you how to use Time Machine and answer “how long does Time machine take” on your Mac:

While what Time Machine does is surprisingly complex, setting it up and using this feature is quite simple. Time Machine is unique among most backup applications in that it captures exactly what was on your Mac on any day in the past, making it easy to recover files, emails or media that may have been inadvertently deleted. That feature is Time Machine, a built-in backup application used to keep an up-to-date copy of all of the files on your Mac. Whether you’re new to the Mac platform or have been using it for years, there’s one feature built into Mac OS X or macOS that you should not only know about, but use.

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