Autoconv
Applies To: Windows Server 2003, Windows Vista, Windows XP, Windows Server 2008, Windows 7, Windows Server 2003 R2, Windows Server 2008 R2, Windows Server 2000, Windows Server 2012, Windows 8, Windows Server 2008 R2 with SP1
Converts file allocation table (FAT) and FAT32 volumes to the NTFS file system, leaving existing files and directories intact at startup after Autochk runs. Volumes converted to the NTFS file system cannot be converted back to FAT or FAT32.
Remarks
You cannot run Autoconv on the command-line. This will only be run at startup, if set through Convert.exe.