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This article shows you how the Mac disk tool can erase and reformat the hard disk / removable hard disk. The content is concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

In the disk tool on Mac, you can erase and reformat the storage device for use with Mac. Erasing the storage device removes everything in it.

If you include any files you want to store, copy them to another storage device.

Open the disk Utilities App on Mac using one of the following methods, depending on the type of disk or volume you want to erase:

If you want to erase the boot disk or boot volume: resume startup from macOS, and then choose disk tools from the macOS Utilities window.

If you want to erase any other type of disk or volume: double-click disk tools in the / applications / Utilities folder.

Select Show > Show all Devices.

Select the storage device you want to erase in the sidebar, and then click the erase button.

Click the Scheme pop-up menu, and then choose GUID Partition Map.

Click the format pop-up menu, and then choose a file system format.

Enter a name.

(optional) if available, click Security options, use the slider to select the number of times to overwrite the erased data, and then click OK. The safe erase option applies only to certain types of storage devices. If the Security options button is not available, the disk tool cannot perform a secure erase on the storage device. Covering the data three times meets the standards of the U.S. Department of Energy for safe erasure of magnetic media. If the data is covered seven times, it will comply with the 5220-22murm standard of the U.S. Department of Defense.

Click erase, and then click finish.

The above is how the Mac disk tool erases and reformats the hard drive / removable hard disk. Have you learned the knowledge or skills? If you want to learn more skills or enrich your knowledge reserve, you are welcome to follow the industry information channel.

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