Best Way To Format External Hard Drive For Mac

Posted By admin On 15.02.22
  1. Format External Hard Drive Ntfs
  2. How To Format External Hard Drive For Mac Backup

This how-to shows you the steps using Disk Utility 13 in OS X 10.10 Yosemite, but the process is the same if you’re using OS X 10.9 Mavericks or 10.8 Mountain Lion. Here are the instructions using OS X 10.11 El Capitan.

Sometimes you want to wipe out all the data that’s on a hard drive or solid-state drive—erase it and start over. The best way to do this is to format the drive, which both erases the drive and prepares it for storing data by mapping out bad sectors, creating address tables for locating the data on the disk, and more.

To format an external drive on a Mac: Open Finder and go to /Applications/Utilities and double-click on Disk Utility. Select your drive in the left-hand sidebar and go to the Erase tab. The Mac drive may have an “EFI System Partition” on it. This partition is marked as protected, so you can’t just right-click and delete it — the delete option will be disabled. To erase this partition, we’ll have to wipe the entire disk.

How to format external hard drive for mac without erasing

Format External Hard Drive Ntfs

Similarly, you may have purchased a new drive that was formatted for Windows out of the box. You'll want to reformat that drive for your Mac.

How To Format External Hard Drive For Mac Backup

But formatting a drive so that it can be used as your Mac’s startup drive requires a slightly different procedure than formatting it for use as a secondary drive for storing data.