USB drive RAW file system, how to convert RAW USB drive to FAT32/NTFS and recover data from RAW USB drive?

Updated by Admin to RAW to FAT32 on May 30th, 2019

Summary: There are many reasons caused USB drive RAW file system, we will show you how to convert RAW USB external hard drive to NTFS, how to recover data from RAW USB drive and how to format RAW USB drive to FAT32/exFAT.

Table of the article contents

Common RAW USB drive scenarios

1. USB drive showing RAW file system or unknown file system in Disk Management.

2. USB drive 0 bytes (Used space 0 bytes, free space 0 bytes) in drive properties.

3. USB drive showing wrong capacity in Windows Disk Management or Mac Disk Utility.

4. RAW USB drive not recognized in Windows 10/8/7

5. USB drive is not formatted, do you want to format it now?

6. Windows is unable to complete the format on RAW USB drive.

7. USB drive is not accessible, the parameter is incorrect.

8. USB drive is not readable by this computer.

9. RAW USB drive is write protected, cannot format.

Solution 1: Convert USB external hard drive to NTFS/FAT32 without formatting and data loss

After the file system of USB external hard drive corrupted, please try below solution to fix/repair USB drive RAW file system and then get data back.

Download a USB drive recovery software called M3 Data Recovery firstly and then start to convert USB external hard drive RAW to NTFS/FAT32 without formatting and data loss on Windows 10/8/7/XP and Windows Server 2016/2012/2008/2003.

Besides to convert RAW to NTFS/FAT32 with formatting and data loss, M3 Data Recovery software can also recover deleted files even emptied from Recycle Bin, recover data from formatted drive, recover data from inaccessible drive, recover data from RAW partition, recover data from deleted/lost partition, recover data from Bitlocker encrypted drive, external hard drive, USB drive, flash drive, pen drive, SD card, memory stick, USB stick, etc.

Step 1: Download and install M3 Data Recovery software on your Windows computer.

Step 2: Connect USB external hard drive to your Windows computer as an external hard drive.

Step 3: Launch M3 Data Recovery software and then select RAW Drive Recovery module.

Free data recovery software

If USB external hard drive was Bitlocker encrypted, please choose Bitlocker Recovery module to recover data from Bitlocker encrypted external hard drive.

Step 4: Select the RAW USB external hard drive and click Next to scan data from RAW USB external hard drive.

Scan RAW USB external hard drive

Step 5: Check the files in RAW USB external hard drive.

Convert RAW USB external hard drive to NTFS/FAT32 file system

If there are some files missing, please return to home window, choose Data Recovery module and try deep scan option to find more files.

Step 5: Click "Fix Drive" to fix RAW USB external hard drive. Once RAW USB external hard drive is fixed to NTFS/FAT32 file system, you will be able to access it again without data loss. If RAW USB external hard drive cannot be fixed, please try solution 2 to recover data from RAW USB external hard drive and then format it.

Solution 2: Recover data from RAW USB drive

32GB USB flash drive was FAT32, but it turned RAW file system with no reason, and now it can't be opened! How to convert USB flash drive RAW to FAT32 without losing data or how to recover data from RAW USB flash drive?

M3 Data Recovery software also provides Data Recovery module which can recover data from RAW drive, it supports RAW external hard drive, RAW USB flash drive, RAW memory card, RAW USB stick, RAW CF card, RAW hard drive, etc. in Windows 10/8/7/XP and Windows Server 2016/2012/2008/2003.

Step 1: Connect the RAW USB drive or RAW USB flash drive to your Windows computer.

Step 2: Download, install and launch M3 Data Recovery software on your computer.

Step 3: Choose Data Recovery module.

Free data recovery software

If USB drive was Bitlocker encrypted, please choose Bitlocker Recovery module to recover data from Bitlocker encrypted USB drive.

Step 4: Select RAW USB drive, check deep scan option and then click Next to scan data from RAW USB drive.

Scan lost data from RAW USB drive

Step 5: Check the files in RAW USB drive before data recovery.

Recover data from RAW USB drive

Step 6: Click Recover to start data recovery from RAW USB drive.

Step 7: After data recovery from RAW USB drive is successfully done, please format RAW USB drive to FAT32/exFAT according to the steps in solution 4.

Solution 3: Fix RAW USB drive using CMD

Chkdsk is a system tool built-in Windows Operating System, it can verify the file system integrity of a volume and fix logical file system errors on hard drive, external hard drive, USB drive, flash drive, SD card, memory card, pen drive, memory stick, USB stick, CF card, etc.

Step 1: Connect RAW USB drive to your Windows computer.

Step 2: Go to Windows start menu, type CMD in the search bar.

Step 3: Right click cmd.exe from the search results and choose "Run as Administrator".

command prompt

Step 4: After opening CMD window, please type the command: chkdsk X: /f (X is the drive letter of RAW USB drive) in the CMD window and press Enter. Chkdsk will start to check and fix the file system once the errors are found on RAW USB drive.

Once the RAW USB drive is fixed by chkdsk /f command, you will be able to access it again, but sometimes, chkdsk fails to fix RAW USB drive and reports "The type of the file system is RAW, chkdsk is not available for RAW drives". In that case, please try solution 2 to recover data.

Solution 4: Format RAW USB drive to FAT32/exFAT

If there is no important data in RAW USB drive, just format RAW USB drive to FAT32/exFAT with the format tool, such as Windows built-in format tool, diskpart format command, the third-party software.

Step 1: Please ensure all data has been recovered before formatting.

Step 2: Insert RAW USB drive into your Windows computer.

Step 3: Right click the RAW USB drive in My Computer (This PC) or Disk Management.

Step 4: Select "Format..." and select FAT32/exFAT file system.

Step 5: Click Start to format RAW USB drive to FAT32/exFAT.

Solution 5: Convert RAW USB drive to FAT32/exFAT with USB drive production tool

When encountering the following RAW USB drive symptoms:

1. USB drive showing incorrect capacity in Disk Management, for example 64GB, detect 31MB.

RAW SD card

2. Windows is unable to complete the format on RAW USB drive.

Windows is unable to complete the format

3. RAW USB drive is write protected cannot format.

4. USB hard disk unknown, not initialized, no disk space.

Disk unknown not initialized

The above symptoms mean USB drive has hardware issue. If you lost the important data, please send RAW USB drive to a local data recovery service. If not, please find the corresponding USB drive production tool to reset RAW USB drive to restore it to factory setting according to USB drive model.

Solution 6: A local data recovery service

If there is important data in physically damaged RAW USB drive (The common situation is: RAW USB drive is not recognized by disk management or device manager) or RAW USB drive has hardware issue as above symptoms, please send RAW USB drive to a local data recovery service for help.

How to avoid RAW USB drive again?

1. Backup

There is nothing that can replace backup to prevent data loss. There are many free backup software which can back up the data, such as Aomei Backupper Standard, Macrium Reflect Free, Paragon Backup & Recovery Free).

Once your USB drive became RAW file system and lost important data, you can restore the lost data from the backups and avoid expensive recovery.

2. Practise good working habits

After using the USB drive, please safely eject USB drive. Although direct unplugging USB drive from a computer is very convenient, but it is the most common cause of USB drive suddenly becoming RAW file system.

Please always use "Safely remove hardware" option to safely eject USB drive from your Windows computer or Mac computer.

3. Use an advanced file system

If you have a choice, please adopt NTFS file system instead of FAT32/exFAT file system. Not only it gives you more flexibility in length of filenames and directory, security control, but also you can stand a greater chance of good recovery in case of drive corruption.

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