I like to suggest you to use third party OLM to PST converter tool to successfully migrate OLM file to PST file. This tool allows you to convert OLM to PST for Outlook, Office 365, Gmail, G-suite, MBOX and Live Exchange server. It also provides an easy way to convert OLM to PST, EML, MSG, MBOX, EMlx, HTML, ICS and vCard format. It provide 100% safe and secure conversion results.[table][tr] [td]
http://www.olm-converter.com/[/td][/tr][/table]