Mozilla Thunderbird is a free email client program that runs from the desktop. It is Mapi compliant. You can create Pop and Imap mail accounts for existing email addresses. So having all emails from all email addresses viewable in one window. Main features: * https://www.mozilla.org/en-GB/thunderbird/features/ System requirements: * https://www.mozilla.org/en-US/thunderbird/31.0/system-requirements/ Thunderbird can be downloaded from this link - choose prefered language and type of OS: * https://www.mozilla.org/en-US/thunderbird/all.html This link offers good help on the basic. * http://en.flossmanuals.net/thunderbird/