If anyone wants to Import Windows Live Mail files to Office 365, please let me know. I'd like to share my experience using eSoftTools Windows Live Mail Converter to convert Windows Live Mail to multiple file formats and email clients. Windows Live Mail files may be converted to PST, EMLX, MSG, MBOX, HTML, and other file types. Windows Live Mail may be imported into a number of email clients, such as Gmail, Yahoo Mail, and Thunderbird.

Get more info- https://www.esofttools.com/blog/import-windows-live-mail-into-office-365/