I would like to suggest a best tool for OST file to PST file export. ost to pst converter open source tool to quickly convert multiple OST files either they corrupted or non-corrupted into PST format. By using this tool all MS Outlook users easily import converted PST file into Outlook via outlook native Import/Export option. The ost to pst converter full version tool to Convert OST to PST Outlook, Office 365 account, vCard, vCal, Gmail, live Exchange sever, zimbra, MBOX, EML, EMLX, NSF, HTML, PDF, OLM, and etc. ost to pst converter free tool even allows moving OST to cloud mailboxes of Office 365 account.

Best OST Converter

http://www.osttopst-converter.com