Summary
To reformat a USB drive to FAT32 in Windows 10, use the integrated tool or Powershell. First, check the USB label and type format /fs:FAT32 o: at the prompt and hit "Enter" (replace O: with the drive letter of your USB drive).
1
This will begin formatting the USB drive into FAT32.
1
2
It is important to back up data before formatting, as formatting will erase all of the data currently stored on the drive.
2
According to