Free OST Files Converter Utility - Version 3.6 Use free OST files converter for converting damaged Exchange Offline Storage files (.OST) to Personal Storage (.PST) file and Convert OST files in couple clicks. Convert OST to PST file using Free OST to PST Outlook 2010 Tool. Try one possible solution to reliable OST file conversion with this Free OST Files Converter Utility. User can deeply scan corrupt OST file with free OST to PST file converter software. User cannot convert OST to PST directly because without any third-party tool it is impossible task so our company design fully equipped OST to PST software which obtains little time to remove corruption when client convert OST files to PST via free OST files to PST converter tool. This Free OST Files Converter software displays the recovered results (emails, complete attachments, appointments, contacts, journals & more important data) in a hierarchical, tree-like structure. Also, this OST files conversion utility gives the user option to save the recovered results in PST, EML and MSG file formats. OST file hold all database when client works offline but none can read