OST Conversion Tool - Version 3.0 SysTools OST Conversion Software is an advanced OST Conversion tool is a help program to restore and convert emails of MS Exchange Offline Storage Table (.ost) files to Personal Storage Table (.pst) files. When the Exchange Server gets corrupt due to server crash, virus attack, and database corruption, etc, The OST files on the client's computer still have mail messages and all other items of the mail account. These emails are successfully restored by our OST Conversion Software. This utility is helpful in a number of OST corruption situation is caused by external reason such as virus infection. SysTools OST Conversion Software has the capacity to recover OST components from all kinds of OST file corruption. Performing safe and secure OST file Conversion you can convert OST file to PST file access them. The Recovers items saved in PST format readable by Outlook. Other Important Features:* Simple and well guided steps to recover your OST Data.* Converts inaccessible Offline Storage (.OST) to