OST File to PST - Version 3.5 OST File to PST tool smoothly convert and recover (mail messages, folders, calendars, contacts, journals and notes) with all its email properties such as Subject, To, From, CC, BCC, and Date etc from OST into PST file format. It also enables you to recover the attachments, including the documents and images along with the .PST, EML and MSG file format. OST Recovery Software runs on Any Windows Version 98, ME, 2000, 2003, XP, Vista and Win7 or Microsoft Outlook versions like as 2010, 2007, 2003, 2000 and 98. Get full editions of our software OST File to PST just at $99.