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Can a time machine back up to a USB drive?
Time Machine can back up to an external USB drive connected to an AirPort Extreme Base Station (802.11ac model) or AirPort Time Capsule. Make sure that the USB drive is formatted for Time Machine.
How can I repair my Time Machine backup?
To check an external drive connected to your Mac, open Disk Utility from the Utilities folder of your Applications folder. Then use the First Aid feature in Disk Utility to verify your disk. Do this for your startup disk as well. You can turn Time Machine back on after your drives are verified or repaired successfully.
What kind of disk do I need for Time Machine?
Backup disks you can use with Time Machine. Time Machine can back up certain external storage devices connected to your Mac or available on your network. To use Time Machine to make a backup of your Mac, you need one of these types of storage devices: External USB, Thunderbolt, or FireWire drive connected to your Mac.
How can I Make Time Machine exclude external drives?
Time Machine automatically excludes external drives from backup. You can ensure that external drives are backed up by following these steps: Open the Time Machine system preference pane. Click the Options button. Select any drive in the exclusion list that you want to have Time Machine include.
How big of a hard drive do I need for a time machine?
Here’s how you can get around that and use a Time Machine drive both for backups and file storage. Using a 2 TB external drive for Time Machine backups of a Mac with a 128 GB solid-state drive doesn’t make much sense.
Can a NAS be used as a Time Machine backup?
Many third-party NAS devices support Time Machine over SMB. For details, check the documentation for your NAS device. To use another Mac on your network as a Time Machine backup destination, complete these steps on the other Mac: Choose Apple menu > System Preferences, then click Sharing.
How can I Use my Time Machine on a different computer?
A second solution is to share your backup drive using Personal File Sharing on macOS. In doing so, computers connected to the same network can use the same drive with Time Machine. Open System Preferences on the computer that’s physically connected to the hard drive.
Can you back up multiple Macs to the same hard drive?
You can use the same external hard drive to back up multiple Macs if you wish. Here are the two main ways to do this. When you use an external hard drive to back up different Macs, Time Machine automatically creates separate folders, one for each computer.