How to Format a Hard Drive For Both Windows and Mac. Or going to Control Panel > Administrative Tools > Create and format hard disk partitions. Best thing if you want to use an external.
Time Machine can back up to an external drive connected to an AirPort Extreme Base Station (802.11ac model) or AirPort Time Capsule. Make sure that the USB drive is. Connect the drive to a USB port on your AirPort base station, then turn it on. Open AirPort Utility, then select your base station and click Edit to view its settings. Click the Disks tab in the settings window.
Select your backup disk from the list of partitions, then select ”Enable file sharing”:. If more than one user on your network will back up to this disk with Time Machine, you can use the Secured Shared Disks pop-up menu to make sure that they can view only their own backups, not yours. Choose ”With accounts” from the menu, then click the Add (+) button to add users.
Click Update to restart your base station and apply the settings. 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. From the list of services on the left, select File Sharing. From the list of Shared Folders on the right, Control-click the folder that you want to use for Time Machine backups. From the shortcut menu that opens, choose Advanced Options. From the Advanced Options dialog, select ”Share as a Time Machine backup destination.” When on your other Mac computers, you should now be able to select the shared folder as a backup disk.