![]() HFS Hierarchical File System, otherwise known as MacOS. So youll need to reformat your drive if it uses NTFS format. From this application, select your USB drive from the sidebar to reveal the drive format beneath its name. If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device. What are the different drive formats Your hard drive can be formatted to many different formats, and each of these formats serves a specific purpose: APFS Apple File System. To check the USB drives format, press Cmd + Space to open Spotlight, then type Disk Utility and hit Enter to launch the Disk Utility. Secure erase options are available only for some types of storage devices. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map. ![]() ![]() In the sidebar, select the storage device you want to erase, then click the Erase button. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. ![]() Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant. ![]()
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