I Can't Format USB to exFAT on Windows 10, What Should I Do

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Cici· Answered on Jun 24, 2026

When you try to format USB or SD card to exFAT, you will find no exFAT option in File Explorer or Disk Management because Windows doesn't allow it. The exFAT format was created in 2006 and is optimized for flash memory. If the external drive does not have the exFAT formatting option, there may be a system or driver problem.

When you meet the situation, don't worry. You can make the exFAT format by deleting the partition and creating an exFAT partition in the unallocated space. If you want to continue to format the USB to exFAT, this article will provide two possible guides: you can use the third-party tool to do a quick format or the Windows command line tool. Let's start with the simpler method:

Format USB to exFAT via Professional Tool

EaseUS Partition Master Free is a professional and simple formatting tool. It covers the latest and most popular file systems. And it breaks the limitations of Windows and helps you format FAT/NTFS to exFAT easily.

Step 1. Launch EaseUS Partition Master, select the target partition, and click "Format."

Step 2. Select the target file system and set the cluster size.

Step 3. Confirm the warning message and click "Apply."

Format USB to exFAT via CMD

If you are a computer whiz, you can use diskpart from the command line, which forces the option to be unavailable to the GUI. The following is a simple procedure:

Step 1. Search for the Command Prompt and run it as administrator.

Step 2. In the cmd.exe window, type "format f: /fs:exfat" and press Enter.

Step 3. Type "Y" to continue the formatting process.