OtraUnit Data Recovery is a RISK FREE and READ ONLY data recovery software. It has both FAT Recovery and NTFS Recovery ability. It is completely safe to use to recover data after accidental deletion, format, re-partition, system crash and virus attack. Powerful and easy to use. A cost effective data recovery software when you need data recovery.It scans FAT32 file system ONLY NEED 1 second,and scans NTFS file system (100G) only need 10 seconds.