Format External Hard Drive in FAT32 using DOS

from https://www.online-tech-tips.com/computer-tips/formatting-external-hard-drive-to-fat-32/

Format External Hard Drive in FAT32 using DOS

Open a command window by going to Start, then Run and typing in CMD.

Now type in the following command at the prompt:

format /FS:FAT32 X:

Replace the letter X with the letter of your external hard drive in Windows. Windows will go ahead and begin formatting the drive in FAT32!