GainTools EML to MBOX Converter effectively converts Windows Live Mail EML to MBOX format while guaranteeing that all information, attachments, and text formatting remain the same throughout the process.  This utility is suitable for many uses as it makes bulk conversion possible and lets users convert multiple EML files into MBOX. This program ensures secure conversions free of data loss and is easy for everyone with different degrees of technical knowledge.  It also works with Outlook Express, Windows Live Mail, Windows Mail, and numerous other email programs.  You can easily install its demo version on any Windows operating system.