Convert OST File to Outlook PST format on off-line or cache mode Exchange Server by use of OST Converter software. This software allows you to restore emails from orphan OST file at the downtime Exchange Server. This software could help you to deeply scans highly corrupted Exchange OST file and successfully get back emails as PST or EML or MSG file format. This software offers you to convert some OST file emails to PST format with demo version. You can download demo version and freely convert offline OST file to PST format but if you want to export more than 25 emails then use pro version of this software.