Myob roll over end of financial year without...

Question

hi i have rolled over 06/07 so i can get bas statement for 08/09 and the rollover was interuppted due to poor computer now i cannot open my data file and have no backup (naughty naughty) since july this year.can anyone tell me how to get the data off this corrupted file so i don't have to try and input the information for the last 3 months agan