USB flash drives cannot be partitioned in the Windows operating if the drive is identified as removable media. The only way to partition the USB flash drive is to flip the removable bit so that it is recognized as fixed media instead which can be partitioned like any normal hard drive.
How To Create Multiple USB Stick Partitions
USB Sticks cannot contain multiple partitions by default. It is however possible to create multiple partitions on an USB stick by modifying and installing a new driver which disguises the USB stick as a USB hard drive. It is highly recommended to backup all data on the USB stick before continuing.
Users who want to create [...]
