Thunderbird to Lotus Notes Tool will help you to convert MBOX from Mozilla Thunderbird, Mac Mail, Pocomail, Netscape, Entourage, MailCopa, Spicebird, ClawsMail, Evolution, Berkeley, Sylpheed, OperaMail, Eudora, Gmail, Mulberry, SeaMonkey to Lotus Notes and maintain folder structure during and after the conversion. Thunderbird to Lotus Notes tool supports all email client that create MBOX file to NSF Format.