There are many conversion tool but the best is ATS OST to PST Converter application that has many features for the conversion process. Using it you can recover the data of Exchange OST file and then migrate them into Outlook PST Data file format without having any difficulty in the conversion task of Exchange OST file to PST file format.
This application easily works with all the version of OS Windows’s version like 95, NT, 98, ME, XP, Vista, 7, 8, and 8.1,10 (32bit & 64bit). Apart from it support cloud-based application Office 365 & Live Exchange Server that is an additional feature of its.
You can export your Exchange OST data into several file formats like PST, EML, EMLX, MSG, MBOX, vCard, and vCal. This conversion tool automatically scans OST file and convert them into Outlook PST file format. You can easily recover email, notes, task, attachment, contact, draft, inbox, and calendar (To, Cc, From, Date, Time, Subject, Object and Bcc) from OST and convert them into Outlook PST file format.
Before the actual conversion it displays the preview of recovered mailbox along with all the data of OST mailbox. Before purchasing it you can download its free demo version which allows you to convert 30 emails from each and every folder free of cost.

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