1.
Open Command Prompt
2.
In the command prompt window, type
convert drive_letter: /fs:ntfs
For example, typing convert D: /fs:ntfs would format drive D: with the ntfs format.
Note
To open command prompt, click Start, point to All Programs, point to Accessories, and then click Command Prompt.
You can convert FAT or FAT32 volumes to NTFS with this command.
NTFS
Choosing between NTFS, FAT, and FAT32
Convert