By default Windows does not allows you to format volume drive larger than 32GB as FAT 32 file system. Fat32 Format is a portable utility that allows you to overcome this size limitation. Using this utility you can format volume drives with large size as FAT32 file system.
It for sure is useful for formatting external hard drives of large size. Being a portable utility, it does not require install. Just download and launch the utility. It has simple interface: select the drive, allocation size, volume label and click Start button to format large size volume as FAT32. Download FAT32 format [weblink]