How to reformat an external hard drive mac


How to Reformat a Drive on Windows Yes, It Is Possible!

If there is already a partition on the drive, the bar above that drive will appear blue. If there is no critical data on the drive, or the data has been successfully backed up, right-click the bar and click Delete Volume. If Disk Management shows the drive as Not Initialized , the drive will have to be initialized.

For assistance initializing a hard drive, please see Answer ID If there is no partition and data on the drive, it will appear as Unallocated , with a black bar on top. Right-click the Unallocated space or the black bar, and click New Simple Volume. Click Next to proceed. Choose the volume size and click Next. By default, the maximum disk space is already selected and it is recommended to leave it at the maximum disk space.

Open Disk Management. In Windows 8 this can be achieved by moving the mouse to the bottom-left corner of the Desktop and right-clicking on top of the Start menu screen.

Then, click Disk Management right below Storage. From the menu, click on Disk Management. FAT32 in macOS Once that's done, double left-click on the Mac HD , the internal Mac hard drive visible on the top-right corner of the desktop screen. While in there, open Utilities , and lastly double-click on Disk Utility When Disk Utility opens, all available drives will display on the left-side panel.


  1. Format an External Hard Drive or USB Flash Drive for Mac OS X.
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From said list, select the drive that is to be partitioned and formatted from the left-side panel. Once selected, click on Partition on the top area of the Disk Utility window.

How to Format or Partition an External Hard Drive for Mac

The Partition window will now appear. Next to Partition, assign the desired drive name for the device. This is the format that the drive will be formatted to. Now, click on Apply.

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

Disk Utility will begin the formatting and repartitioning process. This may take several minutes.

How To Make Any External Hard Drive Mac Compatible

It is usually directly above the name of the drive, and is the drive selection that has the total size of the drive being displayed. FAT32 in Windows 10 and earlier Important: Western Digital provides the Acronis True Image WD Edition software that allows users of our internal hard drives to format their drives.

How to Partition an External Hard Drive on Mac

Users of our external drives will need to find third-party software to accomplish this task. The file may need to be uncompressed using some type of uncompression or unzipping utility. Check the box labeled I accept this License Agreement and click Next. Select the hard drive that is to be formatted and click on Start. All data on the target hard drive will be erased during this process. Please remove or backup any valuable data before performing this step. A pop-up message will appear warning that formatting the drive will erase all the data on the device.

Click on Ok to continue. The final popup will warn again that this will erase all the data on the drive. If this is the desired course of action, click on Yes. Many external hard drives come pre-formatted as FAT Before you begin to use your new external hard drive with Aperture, reformat it to the Mac OS Extended file system:.

How to Format or Partition an External Hard Drive for Mac

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Other company and product names may be trademarks of their respective owners. I have a Seagate 1 TB external hard drive, but have already backed up my Mac once, so the Partition button is always grayed out.

How to Format an External Drive to Work with Mac (from NTFS to Mac OS Extended)?

Same problem with partition greyed out on Your email address will not be published. When I connected the Seagate to my Mac, the drive icon showed up like this. It showed this format: Step 1: Open Disk Utility. Step 2: Step 3: By the way, you can also rename your external drive. Step 4: Wait until the erasing process is complete. For me, it took less than a minute to format my 2TB Seagate Expansion.

Add partitions and allocate volume for each one.


  • How to Format Your External Hard Drive!
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  • After that, you can rename each partition and define a file system for it. Confirm your operation. JP on December 19, at 7: Mona on March 14, at 6: Tim Walsh on January 18, at 8: Once I have backed up my Mac, is it possible to partition the external hard drive?

    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac
    how to reformat an external hard drive mac How to reformat an external hard drive mac

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