If you want to Import Windows Live Mail to Thunderbird with an easy solution then use the eSoftTools Window Live Mail to Outlook Converter software. It converts attachments while maintaining the original email properties. You can simply keep emails properties such as To, From, Sent, Subject, Date, Size, and Received Date. The software effortlessly converts WLM files into PST format without losing any data.
Get more info- Import Windows Live Mail to Thunderbird
Get more info- Import Windows Live Mail to Thunderbird