To import OLM file data into Windows Outlook, you need to convert OLM to Outlook PST file format first. After that, you can successfully import the converted PST file into Windows Outlook. The best solution to do the conversion is to automate third-party tools. Therefore, it is recommended to use the vMail OLM Converter tool. Learn how it works and understand how to conveniently import OLM files into Outlook for Windows.