To do so, select the drive in Disk Utility, click the Partition tab, select 1 Partition from the Volume Scheme pop-up menu, click the Options button, choose GUID Partition Table or Apple Partition.
- Launch Disk Utility. Connect the USB flash drive to your Mac. If there are any files on the drive you.
- Larry: Erasing will erase the drive and set it up using the format you selected. I suppose if they used “format” then some people would think it meant to reformat the drive and somehow maintain the data.
- But the drives formatted as FAT32 are read and written to Mac operating system but it is not right and you may end up into problems if you don’t use the native format of Mac OS. So, if you have a USB drive that needs formatting or has been formatted as FAT32, then here is the right way to format USB flash drive on Mac.
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 For Mac And Pc
If you have any files you want to save, copy them to another storage device.
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.
Choose View > Show All Devices.
In the sidebar, select the storage device you want to erase, then click the Erase button .
Click the Scheme pop-up menu, then choose GUID Partition Map.
Click the Format pop-up menu, then choose a file system format.
Enter a name.
(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.
Click Erase, then click Done.
Format External Hard Drive Mac
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.