If you need to support a larger partition size, or you need more granular permissions you'll want NTFS.
To convert the disk use the convert command line tool.
<pre>CONVERT D: /FS:NTFS </pre>
Last Wiki Answer Submitted: May 3, 2010 2:04 pm by Denny Cherry64,550 pts.
All Answer Wiki Contributors: Denny Cherry64,550 pts.
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Note that it won’t be possible to convert it back to FAT after the conversion to NTFS.
It is recommended to backup important data before perfoming the convertsion in case something goes wrong.