Try SysInspire OST to Office 365 Converter Software to convert/export the OST file with just a few mouse clicks and without having to use Microsoft Outlook. This utility can convert an OST file to HTML, PST Outlook, Yahoo, Gmail, CSV, EML, MSG, vCard, MBOX, and Office 365, among other formats. During the recovery and conversion process, it is possible to recover and convert.
Read More:- OST File to PST Converter
For the better conversion or recovery of damaged OST files, users can choose this PassFixer OST to PST Converter software. It can easily convert OST files emails into PST, HTML, MBOX, EML, EMLX, Yahoo, Gmail, Office365, Zimbra, vCard, Office365, MSG, etc. that will also help you to manage the email properties such as to, bcc, cc, subject, time, date, data, from, etc. That is capable of all Windows OS editions like Win- 8, 9, 10, XP, Vista. Use the demo pack from the official site of PassFixer.
Read More:- Recovery of damaged OST files