How can I recover my File in a lost partition in my external hardisk Windows 7/8/8.1

Use “Recover partition” to recover Files in a lost partition of external hard disk if partitions changed or damaged or deleted.

Use “Full Scan” mode to recover Files in a lost partition of external hard disk which can not be found with “undelete” and “unformat” and “recover partition”,show as raw partition,partitons which are not NTFS,nor exfat,nor fat32. With deep and full scan