Disk Utility User Guide

In Disk Utility on Mac, you can erase and reformat storage devices to use with your Mac. Erasing a storage device deletes everything on it.

How To Format Flash Drive

1. If you have any files you want to save, copy them to another storage device.

2. Open the Disk Utility app on your Mac using one of the following methods, depending on the type of disk or volume you want to erase:

   • If you want to erase your startup disk: Start up from macOS Recovery, then choose Disk Utility from the Recovery window.

   • If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder.

3. Choose View > Show All Devices.

4. In the sidebar, select the storage device you want to erase, then click the Erase button .

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

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

7. Enter a name.

8. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK.

   Secure erase options are available only for some types of storage devices. If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device.

9. Click Erase, then click Done.

1. Jan 09, 2020 In this article, we are taking a closer look at the Disk Utility, which comes with all recent versions of the Mac OS X operating system and how you can use it to format USB drive on Mac. Format Flash Drive Mac with Disk Utility. Your Mac computer comes with a handy utility appropriately called Disk Utility, which can be used to format any.
2. I have a Mac 10.4.3 OS and followed your above method to reformat a 264 MB usb flash drive from Mac OS Extended (journaled) to EXFAT with no success. Tried 4 times, each time it came back Mac OS Extended (journaled). Any help you could offer would be appreciated.

Format Flash Drive Mac Os Extended Journaled Format

Note: With a solid-state drive (SSD), secure erase options are not available in Disk Utility. For more security, consider turning on FileVault encryption when you start using your SSD drive.

Format Flash Drive Mac Fat32

How to Format USB Drive in Windows or Mac. After choosing the best format for USB drive according to your needs, you might start to wonder: how do I format USB drive to NTFS/FAT32/exFAT/EXT 2,3,4/HFS+ in Windows operating system or Mac? Well, don't worry. If you need to format USB drive to NTFS/FAT32/exFAT/EXT 2,3,4/HFS+ file system, please. Format an External Disk or Flash Drive for Mac in Maverics Now type a new name for the Volume and select the format type as Mac OS Extended (Journaled). Now click the “Erase” button and confirm again on the next pop-up window to format the External Disk or a Flash Drive for Mac.