However, sometimes you might find FAT32 option not available in Disk Management. Why this problem appeared? It is usually due to that your partition is larger than 32GB. Because the default Windows format option only allows the FAT32 partition on drives that are 32GB or less. In other words, Windows built-in formatting tools like Disk Management, File Explorer or DiskPart won’t allow you to format 64GB SD card to FAT32. And this is why the FAT32 format option not available in Windows 10 or the other versions.
