Convert OST file to PST file by using this OST to PST Converter Software, This utility deeply scans OST file and convert the data into new Outlook PST file in a secure way without any hassle. It gives the authority to Convert single as well as multiple OST mailboxes into PST and other file formats like: EML, MSG, MBOX, HTML, ICS, VCARD formats. first of all try this Software free trial version and where if you get good results then you can buy this software full licence version.
For OST to PST Conversion you can use this OST to PST Converter tool that can easily & instantly export OST data like: emails, items, folders, into an Outlook PST format. It provides the facility to convert multiple OST mailboxes to Outlook PST. Visit here to try or to know more about this tool:- https://www.osttopstapp.com/