Software to Convert OST into PST - Version 3.3 Software to Convert OST into PST: If your Outlook mailbox deleted by chance, in this critical condition user face problem with emails, how to recover old emails? Use Restore OST to PST software and restore old emails as new PST file format easily. When OST file becomes corrupt due to crash of Exchange Server because OST file does not synchronized with Exchange Server but it keep replica of emails in database, you want to restore on Offline Mode then use OST Restore software to recover emails as PST file format. Feature of this software make valuable which is following Software recovers Emails, Messages, Contact, Calendar, Notes, Tasks, Journals, Draft, and Appointments etc, Converts inaccessible OST to Personal folder File (PST) with Free Software to Convert OST to PST, OST to PST recovery tool supports Microsoft Exchange 5.0, 5.5, 2000, 2003 and 2007, Exchange OST recovery software restores Password Protected OST file, Restores deleted emails from deleted items too, Restores Original formatting of RTF and HTML, Recover emails from encrypted files.