


Warning: Formatting will destroy all data on the USB drive. When it comes to formatting RAW USB drive, a free USB formatting tool is needed. It is easy to format RAW USB drive to FAT32, NTFS, exFAT or EXT4 file system. RAW USB drive is a quite common problem and there is no need to be nervous when you encounter a similar situation. From the perspective of Windows, formatting is the very solution to repair the faulty file system.

Many factors can lead to the issue, for example, remove USB drive without clicking "Safely Remove Hardware and Eject Media", virus, bad sectors, etc. Why does the USB drive become RAW format? In most situations, the main cause is that the file system on the USB drive contains errors or damaged, and is no longer readable by Windows. In addition, the Used Space and Free Space become 0 bytes. Right-click the USB drive and choose "Properties", you will see the file system is no longer FAT32, but RAW. Do you want to format it?", or "The file or directory is corrupted and unreadable". What does it indicate when the file system type of USB drive turns into RAW? When you insert your USB flash drive to computer and attempt to open it, Windows prompts that "You need to format the disk in drive before you can use it.
