Outlook mailbox recovery will be harsh if you lost your data due to any reason then you need to convert data from Outlook OST to PST file format so use OST to PST Converter application. using it you can export single as well as more than one OST file into PST and other amazing file formats like vCal, EML, MSG, EMLX, MBOX, HTML, and vCard with full accuracy. It has a user-friendly interface that helps you to make your conversion smooth and reliable. The installation of MS Outlook is not required to convert email, draft, contact, sent item, delete item, attachment, notes and many more from OST file to PST file format. It gives you permission to export data directly into cloud-based application Office365 & Live Exchange Server.
Read More info: https://www.ayushtech.com/product/ost-to-pst-converter-software-1.html