How to fully format usb drive

1. Connect the USB storage device to the computer.
2. Open Disk Utility.
3. Click to select the USB storage device in the left panel.
4. Click to change to the Erase tab.
5. In the Volume Format: selection box, click. MS-DOS File System. ...
6. Click Erase. ...
7. At the confirmation dialog, click the Erase.
8. Close the Disk Utility window.

1. Does formatting a USB erase all data?
2. Should I use NTFS or FAT32 for USB?

Does formatting a USB erase all data?

But before that, you must know what does formatting a USB do? It will give you an empty drive back, which means all the data will be lost completely. After using a flash drive for some time, you may find the need to format it to use it again.

Should I use NTFS or FAT32 for USB?

The FAT32 file system is suitable for smaller capacity flash memory devices (such as memory cards, USB drives, and other storage devices), while the NTFS file system is suitable for large capacity disks.