You can operate WLM to PST Converter in all Windows OS to export Windows Live Mail to Outlook 2019. It provides free trial to export Windows Live Mail to Outlook 2019 on first of 25 WLM emails. There is no such limitation on file size. Users can opt for advanced data filter and can choose their destination path to save the output. The availability of Windows Live Mail application is not necessary to export Windows Live Mail to Outlook 2019