The other day I had to take an SD card that I had in a Raspberry Pi I wasn't using, in order to use it in another device. But when I connected it to the computer, I saw that Windows was only listing a boot partition whose size was not much smaller than what the SD card indicated.Stick around, because in this post I'll explain the best way to format an SD card and why this happened. Why does this happen? When Raspberry Pi OS is flashed onto a SD card, it creates multiple partitions on it. Typically a small boot partition (FAT32) and a much larger root filesystem partition (ext4). The problem is that Windows can only read FAT-based partitions, so when…