OST Conversion - Version 3.6 OST Conversion software is safe conversion process for Outlook User for the reason that when Exchange Server becomes corrupt then error generate in OST files. In case of OST files corruptions try OST to PST Conversion tool convert all emails items (OST files) to PST and user repair OST files save PST, EML and MSG. OST to PST Conversion tool recover delete mail messages and other items, including folders, posts, and appointments, meeting requests, contacts, calendar, journals and notes etc. OST to PST Conversion tool supportive all Microsoft Outlook editions like as 2010/2007/2003/2000/98 etc. every users first checked the functionality of software recovery process then online order full editions OST Conversion software just at $99.