Convert Outlook OST to Outlook - Version 3.6 When there is a condition where you need to Convert Outlook OST to Outlook PST files, then you should use OST to PST Conversion utility. If OST file is corrupted, Outlook cannot capable to open this file due to some specific reasons i.e. when emails deleted by chance from Outlook Mailbox account then use OST file and recovers emails in Offline mode by Convert Outlook OST to Outlook solution. No-1 solution to recovery for Microsoft Outlook Exchange (Offline) OST mailbox, emails messages, tasks, journals, contacts, calendar, Deleted Items, deleted folders, draft, Inbox items, junk E-mail etc. This software supports recovery of OST files created in MS Outlook 2010, 2007, 2003, 2002 and 2000 as well as compatible with Windows 7, Vista, Server 2003, XP, and 2000 and saves single mail messages in EML and MSG format.Download Free Demo Version to try OST Recovery software before purchase full version at only $99. It will convert unlimited OST data to PST and proffer many facilities. For any doubt, contact our help desk.