Instantly use MS Outlook OST to PST Software to repair corrupt OST file and Open OST file into Outlook file. With the help of Microsoft Outlook OST to PST Converter Software you can easily convert OST file to PST with full attachments -Inbox, sent mail, draft, tasks, notes, appointment, contacts, calendars, journals. This program let you save OST file into PST, EML, MSG and HTML format. It works on OST versions-5.0/5.5/2000/2003/2007/2010/2013