How to use Command Prompt to convert RAW to NTFS without data loss?

When you external drives suddenly became RAW, converting it to NTFS is good way. This article will teach you how to convert the RAW drive to NTFS without lossing data by using CMD.

Posted by Vivian to Data Recovery on February 2nd, 2019

I upgraded my computer from Win7 to Win 10 and I have 2 hard drives: one is "C" that has OS and one is "G" that has many pictures and videos, etc. Both drives had an NTFS file system. But after the upgrade, my "G" drive becomes RAW while "C" drive appears okay. Please help me is there any Command Prompt to convert RAW to NTFS without losing data?

When googling things about the RAW file system, you may notice that some results said that Command Prompt can convert RAW back to NTFS. But a few mentioned that you will lose your important data if you convert RAW to NTFS directly. Therefore, to be supplementary, this article will go in detail about how to convert RAW to NTFS without losing data when you use the Command Prompt.

Solution 1: Repair the RAW drive with CHKDSK command

CHKDSK is a Windows utility that is used to check and repair common drive file system errors. And if your NTFS drive suddenly becomes RAW, you can repair it with CHKDSK command to convert RAW back to NTFS. But usually, it will fail and you will get the message "The type of the file system is RAW. CHKDSK is not available for RAW drives."

Solution 2: Change the drive letter with CMD

If your drive was NTFS formatted, you can convert RAW back to NTFS by changing the drive letter. This process will try to load and repair the file system of your drive. You can try it out.

Step 1: Search "cmd" in Windows search box and run it as Administrator.

Step 2: Type in "diskpart" in Command Prompt window and press Enter.

Step 3: Type in "list volume" and press Enter to list all volumes on your computer.

Step 4: Type in "select volume * "and press Enter. (Replace "*" with the volume number of the RAW.)

Step 5: Type in "assign letter=X" and press Enter. (Replace "X" with the drive letter you like.)

Step 6: After successfully change the drive letter, key in "exit" and press Enter.

Solution 3: Convert RAW to NTFS with DiskPart command

Sometimes changing drive letter will fail if the key sectors were irreparable. So that you can convert RAW to NTFS by using DiskPart command. Nevertheless, just as the article said above, a direct conversion will erase all your data on this drive. Thus, to avoid losing data, you can recover data from this RAW drive with data recovery software first and iBoysoft Data Recovery is highly recommended.

iBoysoft Data Recovery can recover data from RAW USB drives, RAW SD cards, RAW memory cards, etc. Moreover, it can recover documents, emails, videos and other files from formatted/unreadable/inaccessible drives. This software is compatible with Windows 10/8/7/Vista/XP and Windows Server 2016/2012/2008/2003.

Part one: Recover data from this RAW drive

Step 1: Install and launch iBoysoft Data Recovery on your computer.

convert RAW to NTFS without data loss

Step 2: Select the RAW drive and click "Next" to scan for data on this drive.

Step 3: Preview the scanning results and choose files you want to get back.

Step 4: Click "Recover" and save them to another drive.

Part two: Use DiskPart command to Convert RAW to NTFS

After recovering data from this drive, you can convert RAW to NTFS by using DiskPart command without losing data.

Step 1: Click on Start, type "cmd" in the Search box and press Enter.

Step 2: Right click "cmd.exe" and choose "Run as Administrator".

Step 3: Type "diskpart" in the Command Prompt window and press Enter.

Step 4: Type "list volume" and press Enter. According to the list information, check which volume is the RAW. (For example, volume 1)

Step 5: Type "select volume 1" and press Enter. You need to change "1" with the RAW volume number.

Step 6: Type "format fs=ntfs" and press Enter.

Step 7: Type "exit" and press enter.

Solution 4: Convert RAW to NTFS by reformatting

If you are not confident in using Command Prompt or think it is too complex, you can convert RAW to NTFS by reformatting. But to make it clear, reformatting will wipe your data like DiskPart command and you'd better recover data from this RAW drive with iBoysoft Data Recovery first.

Step 1: Find Disk Management in My Computer/Computer/PC.

Step 2: Select the RAW USB drive, right-click and choose "Format".

Step 3: Choose NTFS file system and assign a volume label to this drive. Then click "Start" to convert RAW to NTFS.

Solution 5: Ask for help from data recovery services

Provided that the listed solutions didn't make any difference, it is likely that your drive is physically damaged. Under this circumstance, you need to send it to a data recovery lab if you want to convert the RAW drive to NTFS without losing data.

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