convert ost to pst manually

 Outlook OST to PST Converter software. This tool is a professional software that lets the users repair corrupted outlook OST files. The converter tool to restore deleted items, and convert emails, mails, from ost file to pst file, Office 365 account, pst file, EML, EMLX, MSG, HTML, MHTML, MBOX, VCF, CSV, ICS, Live, Exchange Server, Zimbra, Gmail, Yahoo, and etc.   

1- Batch Option.

2- Selective option.

3- Split option.

4- Export option.

-FREE DEMO Service.

More info- https://www.kdetools.com/ost/