Hi,

If your files are lost you can still try restoring them using data
recovery tools. Among them I can pose out Active@ Undelete or
Uneraser(for DOS). They never failed me before and were always able to
bring back info, never corrupting it. I'm pretty sure that will be able
to help you.

http://www.active-undelete.com/

http://www.uneraser.com/