Download OST Converter to PST Software to Convert OST file to PST file with full attachments- Inbox, Outbox, Sent Items, Deleted Items, Draft, Journals, Tasks, Calendars, Notes, and Contacts. With the help of Outlook OST Convert to PST Software you can recover OST file and Convert data OST file into PST file on OST versions-5.0/5.5/2000/2003/2007/2010 and 2013. This OST to PST Converter tool let you restore OST to PST, EML, MSG and HTML format.