How to reformat external hard drive mac os

If you have already written any data to the drive, back it up before proceeding to the next step. Launch Disk Utility. Click the icon for your external hard drive in the sidebar on the left.

Click the Erase tab along the top of the window. Enter a name for the external hard drive in the Name field. Click the Erase button.

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How to Convert an External Hard Drive From Apple to PC

Yes No. Character limit: Maximum character limit is Start a Discussion in Apple Support Communities. Ask other users about this article. Partitioning an external hard drive allows you to have separate drives for Mac, PC, and any other operating system.

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A partition also gives you a dedicated space for your Time Machine back-up files or a bootable backup of your operating system. It also helps protect your data if your drive gets infected with malware, as it would be contained within one of the partitions. Home Computers How to Format an External Connect an external hard drive to your Mac.

Here's how to format USB on Mac

Some external hard drives need to be plugged into an outlet to work. Go to Spotlight Search, type in Disk Utility, and click the first option. This will open the Disk Utility app, where you will find all the internal and external drives that are connected to your Mac. Then click View in the top-left corner of the window and select Show All Devices. Click the external hard drive you want to format.

You can find this on the left-hand side of the screen under External Hard Drives. For the best result, select the disk the highest option in the external tree. On the top menu, click Erase.

How to Format External Hard Drive on Mac

Choose a name, format, and scheme for your drive. However, you can choose between the following formats: Mac OS Extended Journaled is the best option for most Mac users since it is compatible with all Macs.