How to recover pics/files deleted from external hard drive

Use “Undelete” to recover pics/files deleted from external hard drive Windows 7/8/8.1

Use “Unformat” to recover pics/files deleted from formatted external hard drive

Use “Recover partition” to recover pics/files deleted from external hard drive if partitions changed or damaged or deleted.

Use “Full Scan” mode to recover pics/files deleted from external hard drive 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