Click Start, click Programs, and then click Command Prompt.

In Windows XP, click Start, and then click Run.

At the command prompt, type CONVERT [driveletter]: /FS:NTFS.

Convert.exe will attempt to convert the partition to NTFS.

NOTE: Although the chance of corruption or data loss during the conversion from FAT to NTFS is minimal, it is best to perform a full backup of the data on the drive that it is to be converted prior to executing the convert command. It is also recommended to verify the integrity of the backup before proceeding, as well as to run RDISK and update the emergency repair disk (ERD).

Convert.exe will attempt to convert the partition to NTFS.


FAT32 :

If you're installing on a dual-boot system where you would have a FAT32 partition (default type for Windows 98 and SE for partitions over 2GB), you may run into problems depending on your situation. The FAT32 file system was created when the size of hard drives exceeded 2GB. The previous file system for DOS and Windows 95 was FAT16, which offered at most 2GB of allocation on your hard drive. This of course is useless for today's hard drives when you can't find anything under 10GB anymore. Where FAT16 allowed a 2GB maximum, FAT32 only allows a 32GB maximum. If your hard drive is over 32GB, you'll have to split it into separate partitions, or use NTFS.

NTFS

NTFS was introduced with Windows NT. Among the reasons why it was introduced, it allowed partitions greater than what's even offered today, and boasts better performance and security. Focusing on security, it's possible that while an NTFS hard drive is secure when running Windows XP, there's no easy way to get back into the hard drive if you boot from an emergency floppy that only sees a FAT16 or FAT32 partition, such as what you'd get from a 98 or ME emergency floppy. The security in NTFS actually prevents you from circumventing its own file system from a boot floppy. This means that if for some reason your hard drive becomes unusable and you need to move data off of it, the task won't be as easy as it was when using Windows 95, 98, and ME. The solution that the user has in this situation is to boot from the Windows XP CD and run a repair on the hard drive. This should fix any problems the user had with the system and bring it back to a bootable state. The other issue is in dual-boot situations. Running under NTFS, you can see FAT16 and FAT32 partitions, but if you boot back into Windows ME, you can't see the NTFS partition. This is a problem if you downloaded something to your XP partition and you want to move it to your ME partition while running under ME. Also, if you upgraded ME to XP and you convert your file system from FAT32 to NTFS, you cannot go back to Windows ME since ME can't run under NTFS. However, only NTFS allows you to set permissions on individual folders so that you can control who sees what.

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