Corrupted Spreadsheet

Spent hours making a spreadsheet. Only to find after saving it to my memorystick that it has scrambled it to nothingness.
Please does anyone know how to recover it?
I have tried a program consequently called ' recovery for excel'.

Screen shot of what it looks like now.
Excel.JPG

Any help will be appreciated.
Email me at declanmawson@hotmail.com and i will send you the document if you think you can sort it.

Declan93