OST Converter to Convert OST Files to PST, MSG, EML, EMLX, TXT, MBOX, HTML, MHT, RTF, DOC, Windows Live Mail, CSV, PDF, Lotus Notes, Zimbra, Thunderbird, Maildir, Entourage (RGE), Outlook for Mac (OLM), Gmail, Outlook.com, Yahoo, Office 365, Exchange Server, Hosted Exchange Server, G Suite, IBM Verse, Amazon Workmail, IMAP.