Hidden OEM Partition cannot be mounted with a drive letter using Windows Disk Management. Using a Partition Management Tool to unhide such a hidden partition may be cumbersome. MountStorPE is a useful tool which mounts hidden partitions without unhiding it.

A USB Flash Drive can be easily partitioned into a maximum of 4 partitions.All the partitions can also be accessed in Windows easily.This is possible using a tool called Bootice.

There are many ways and tools to hide or protect important data on a USB Flash Drive.However a simple format of the USB Flash Drive can erase the important data.
Using Fbinst, a hidden partition can be created to store important data.This hidden partition stays even after formatting the USB Flash Drive.

Partition Wizard Bootable CD has the same features as of MiniTool Partition Wizard Home/Professional Edition.Bootable Media Builder that is bundled with the Professional Edition is not the only way to create a bootable USB with Partition Wizard.A bootable USB Drive with Partition Wizard can be created using Grub4Dos and Iso Emulation.

Bootice is a small tool or utility which can modify/backup/restore the Master Boot Record(MBR), Partition Boot Record(PBR) of your Disk.It has both Graphical User Interface and Command Line Interface.It is an all in one tool and supports many boot managers.