OST till PST - Version 4.4 OST till PST solution works on all Windows Platform to recover corrupt or orphan OST files from Exchange Server as well as convert OST file into PST, EML and MSG file format for all editions (97, 98, 2000, XP, 2003, 2007, 2013 and 2010) of Outlook user. Number of client face problem with OST file! How to convert OST file into PST? Simple solution to open your OST file with our software OST till PST of OST Recovery and retrieve you all data of OST file and encrypted OST file. The OST till PST solution recovers OST data with along with emails, appointment, tasks, notes, calendar, journals, drafts, etc from Exchange Server. OST Recovery software restores Password Protected OST file and successfully runs on Windows Operating System like Windows 7/8/Windows Vista / 2003 / 2000 / XP (with Service Pack 2). If you face problem with process then you contact our technical support available 24X7. You want to purchase it on $99 for personal use and on $199 for Office use.