TL:DR; MAPI4Opera is an extension for Opera enabling real MAPI support.
MAPI4Opera is an extension for Opera enabling real MAPI support. With MAPI4Opera you can send emails from any application supporting MAPI.
EML to PST Converter will move e-mail messages stored in such programs as Thunderbird, Eudora, The Bat, Outlook Express, Entourage and more. Have your e-mails at your fingertips in MS Outlook right away!
Mac Mail Email Extractor is freeware utility. It allows to export emails from Mac Mail (Mac OS email client) mailbox files to multiple files of .EML format. The tool can be used to backup Mac Mail emails or migrate from Mac Mail to another client.
Windows Mail Attachment Extractor can save and extract all the attachments from your Windows Mail and deposit them in a specified folder. It can automatically create sub directories according to mail sender`s name or mail folder`s name.