Microsoft Outlook often need to convert their OST data file to PST format due to various reasons like accessing their OST file in other computer, taking backup of OST file for future work, to recover data from corrupted or damaged OST file or many other reasons. This OST to PST Conversion task can be easily done by using EmailsGuru OST to PST Converter. It is specialized tool to convert OST data files to PST format with all other items including emails, contacts, calendars, notes, etc. This tool helps users to convert OST file to PST with or without Outlook. A free demo version also available for all new users.