In the event that your OST becomes corrupted and you require a independable and efficient tool that is able to recover the data within an OST file and not require Exchange server and MS Outlook, consider
Softaken OST Repair Software. This software can efficiently recover data from OST files and enables users to recover the specific data from multiple OST files other than entire OST files. The alternative is manual, but this process is not still viable without Exchange Server and MS Outlook running. This software has a friendly user interface, it is simple to use and free of complications.