Excellent OST to PST Conversion - Version 4.0 Best Tool for OST to PST Conversion helps in recovery of OST data from Exchange Server and convert into PST, it convert single mail in EML and MSG too. Every day Outlook user and email client searching Best Tool for OST to PST Conversion because email is very important information for email user and email client but during Exchange server down time this mail is store in to OST file which cannot be open in Microsoft Outlook then use OST to PST Conversion software and open OST file into new Outlook PST to view the all component of email or mailbox. This software has advanced conversion algorithm to converting OST to PST in few second with simple mouse click of the process step of the software.Convert OST to PST software is the third party tool to convert and recover OST file component like emails, contacts, tasks, notes, calendar, journal and appointment etc. Our software saves in multiple options like OST to PST, OST to EML and OST to MSG