All the partition format related question can be fixed by iCare Format Recovery. What's more, it works even when you delete a partition by accident, partition unreadable, partition not detected by computer, partition has virus problem...
Whenver you need a file recovery, try iCare Format Recovery! It is able to restore all your files out from a formatted and seems empty disk.
See how iCare Format Recovery shows pictures from a formatted recovery.
1, Download iCare Format Recovery on http://www.formatted-recovery.com/download.html
2, Connect your drive(if external) to Windows OS and run iCare Format Recovery, which will let you select the formatted drive to recover files once you run it.
3, Preview lost files before registery.
4, Register and active the program to save files and you're finished.