What is the best way to convert OST to PST without Outlook?

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The best method to convert OST to PST without Outlook is EmailsGuru OST to PST Converter. It allow users to convert OST files to PST file format, saving emails, contacts, calendars, notes and all other items. It recovers and convert corrupted, damaged, orphaned or any size of OST file with or without MS Outlook. It is designed simply and workable with any available version of Windows Operating Systems. New users can also take advantage of its free trial version without investing. 

Download free trial and know more: OST to PST Converter