OST to PST Converter Tool to convert Exchange OST file to Outlook PST format and many more email formats like MBOX, MSG, EML and contacts to vCard format. This tool is also capable to repair major corruption in OST file and recover all Outlook mailboxes, contacts, calendar etc.
Backup your Exchange data for a situation like exchange server is not available
Recover Exchange mailboxes in case Exchange Server crashes.
Restore and convert corrupt or orphaned OST files.
Transfer offline saved Outlook mailboxes from OST file to Office 365 cloud & Live Exchange.
OST file data viewer feature without Outlook.
Learn More- http://www.vsoftware.org/ost-to-pst-converter.html