how do i backup my mac to an external hard drive

The Encrypted option adds a password and encryption, while Case-sensitive differentiates folders with upper/lowercase letters (“September” and “september” stay separated, etc.). The Mac OS Extended (Journaled) format uses Journaled HFS Plus to keep all your data organized. You will now be asked to pick a new format, including Extended (Journaled), Extended (Case-sensitive, Journaled), Extended (Journaled, Encrypted), and so on. Step 3: Find the drive you want to reformat.Īll drives and volumes on your Mac will be listed in Disk Utility, so make sure you pick the right one.Ĭhoose to Erase in the Disk Utility window, confirm that’s what you want to do, and get ready to rename the drive - it’s a good idea to call it something like “Mac Backup” if you are using this drive primarily for backup data. In the resulting window, open Disk Utility. In your Mac’s menu bar, click Go, then Utilities. Re-formatting will erase any old data that you have on the drive, so you’ll want to double-check and move any valuable data over to another device before moving on. If you use an older drive, things get more complicated if you’ve already got data stored on it. Step 1: Connect your new drive to your Mac.Ī new drive is ideal here.

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How do i backup my mac to an external hard drive