Try SysInspire free OST to PST Converter tool which tool can export OST to PST, HTML, MSG, EML, and EMLX. It converts OST file to PST Outlook file without MS Outlook installed with converting all OST mailbox attachments such as- emails, contacts, calendars, journals, sent items, deleted items, and more formats. Free DEMO packs are available for each user and to export 25 items or emails from every folder.More info:- https://www.sysinspire.com/ost-to-pst-converter/
Free Unlimited OST to PST Converter Tool offers by Sysessential which helps to smoothly export all of the exchange OST file data such as emails, notes, journals, contacts, chats, attachments, etc, and securely convert into multiple types of formats like MBOX, PST, Yahoo, Gmail, Zimbra, Office 365, and many more. This software supports all MS Outlook versions including 2007, 2010, 2013, 2016, 2019.