How To Convert From Fat To Ntfs File System

Its easy to convert the file system in xp, To begin, click Start  Run, type cmd and press Enter on your keyboard. At the command prompt type "convert C: /FS:NTFS" without quote and press Enter  it may ask for the volume label give the volume label of the Drive which you want to convert (where ‘c’ is the letter of the drive you’re converting).

Remember you can not convert NTFS Volumes to FAT it's to convert FAT Volumes to NTFS

To know more about Syntax you can visit Advanced Query Syntax

Syntax :

CONVERT volume /FS:NTFS [/V] [/CvtArea:filename] [/NoSecurity] [/X]

volume: Specifies the drive letter (followed by a colon), mount point, or volume name.
/FS:NTFS: Specifies that the volume is to be converted to NTFS.
/V: Specifies that Convert should be run in verbose mode.
/CvtArea:filename: Specifies a contiguous file in the root directory to be the place holder for NTFS system files.
/NoSecurity: Specifies the converted files and directories security settings to be accessible by everyone.
/X: Forces the volume to dismount first if necessary. All opened handles to the volume would then be invalid.

You will get this syntax by typing Convert /? in command prompt