How to change usb file system?

"This article answers your question:

Q: How do I format a USB Flash Drive to NTFS file system?
A: To enable NTFS on your USB Flash Drive drive (USB Flash Memory):

Right click My Computer and select Manage.
Open the Device Manager and find your USB drive under the Disk Drives heading.

Right click the drive and select Properties.
Choose Policies tab and select the ""Optimize for performance"" option.

Click OK.
Open My Computer.
Select Format on the flash drive.


Choose NTFS in the File System dropdown box.
Device Formatting is completed.

Important: To remove a device safely without data loss use a ""safely remove hardware"" procedure or Eject function from Windows Explorer."