Many Outlook search the best OST to PST Converter tool, that''s why I have reviewed various tools and found that the EmailsGuru OST to PST Converter tool is among them as it offers direct option to batch convert OST files to PST format saving emails, contacts, calendars, notes and all other items. Moreover, it is designed in such a way that any technical and non-technical users can effortlessly convert OST file to PST with or without Outlook in your computer. It is fully compatible with all latest and latest versions of MS Outlook as well as Windows Operating Systems. If you want to get nore details, you can also use a free trial version.