With the HP USB Disk Storage Format Tool, USB sticks can be formatted bootable and with different file systems.

Download
HP USB Disk Storage Format Tool

"The freeware formats every USB stick
with the desired file system. "

 

The HP USB Disk Storage Format Tool is a useful tool, only 40 Kb in size, for creating a Windows startup stick.
If you need a bootable USB stick or want to install Windows 7 from a USB stick, you can't avoid this tool.

See also:

Install Windows 7 from USB stick