Format an External Hard Drive or USB Flash Drive for Mac OS

Check tutorial of Format an External Hard Drive or USB Flash Drive for Mac OS X

So after a lot of requests from our users here is a guide about Format an External Hard Drive or USB Flash Drive for Mac OS X.

To ensure full Mac compatibility of a new external hard drive or flash disk, you must format the drive to the Mac OS Extended File System. This is especially necessary for the purchase of generic PC drives, which are almost always preformatted to be Windows compatible rather than Mac OS X.

Yes, connecting an external hard drive or USB flash key to a Mac will generally read and work just fine as is as the Mac can easily read other file system formats including Windows MSDOS, FAT, FAT32, ExFat and NTFS formats, but unless you plan on using the drive between Windows and Mac machine, it is highly recommended to format it to be fully Mac compatible file system, and necessary for Time Machine and to make drives bootable.

If you’ve never formatted a drive on Mac before, don’t worry, it’s super easy and we’ll walk you through the whole process.

How to Format an external drive for Mac compatibility

This is a simple procedure and is accomplished the same way for all drive types and over all connections, be they USB, Firewire or Thunderbolt. Formatting a drive erases all data and partitions on the drive:

  1. Connect the hard drive or USB key to the Mac
  2. Launch Disk Utility, located in Applications> Utilities
  3. Find the drive name on the left side of Disk Utility and click on it
  4. Click on the “Delete” tab at the top
  5. Format a USB flash drive for use in Mac OS X

  6. Next to ‘Format:’ click the context menu and select ‘Mac OS Extended (Journaled)’
  7. Format to Mac file system

  8. Name the drive if you want, the name can be changed at any time
  9. Click on “Delete” button and confirm again on the next up window, this will erase all data on the drive and format it to be compatible

Format a USB drive for use on a Mac

That’s it, the drive will now format and erase everything on it.

Smaller external hard drives, SSDs and USB flash keys format quickly, while a larger hard drive can take a bit longer. When completed, the drive will be formatted to Mac OS X compatible HFS + file system.

The videos below demonstrate the complete process of formatting an external hard drive for full Mac OS X compatibility, using the new Disk Utility in modern versions of Mac OS X:

Likewise, you can perform the same type of process in Mac OS X to make a USB flash drive compatible with Mac OS using the Disk Utility in Mac OS X as you can see, it is a quick procedure performed in short order on any Mac:

If you plan to create a Mac OS installation disc (for OS X Mavericks, OS X El Capitan, OS X Yosemite, etc.) or create another Mac OS X bootable volume from a disc, or a To use the new drive as a fully compatible Time Machine backup drive, you must also complete this process.

Formatting a drive to be compatible with Windows PC and Mac OS X requires a different format choice, but is otherwise quite similar.

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Format an External Hard Drive or USB Flash Drive for Mac OS X: FAQ

Tutorial Summary: Format an External Hard Drive or USB Flash Drive for Mac OS X

In this guide, we told you about Format an External Hard Drive or USB Flash Drive for Mac OS X; please read all steps so that you understand Format an External Hard Drive or USB Flash Drive for Mac OS X in case if you need any assistance from us, then contact us.

How this tutorial helping you?

So in this guide, we discuss the Format an External Hard Drive or USB Flash Drive for Mac OS X, which undoubtedly helps you.

What is actual time in which this method complete?

The time to complete the Format an External Hard Drive or USB Flash Drive for Mac OS X tutorial is 10+ minutes.

What are the supported Device?

Apple

What are the supported Operating system?

mac OS


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