A corrupted OST file is not a big issue to get recovery of your OST data use OST recovery software; this Tool can renovate your OST into accessible form. You can also recover your OST emails which have some attachments which are important for you.
more at :- http://www.osttopstsoft.com/

If OST file of exchange server gets corrupted then we look for its reliable solution that can deal with corrupt OST files easily and restore or repair the files without any alteration. OST recovery is also possible using conversion process in PST format through which we can access OST database in PST format. If you are unaware about OST recovery simple process and if want to take knowledge about OST recovery then must visit: OST to PST Converter