Mail PassView is a small password-recovery tool that reveals the passwords and other account details for many popular email clients.
Outlook Express Microsoft Outlook 2000 (POP3 and SMTP Accounts only) Microsoft Outlook 2002/2003/2007/2010 (POP3, IMAP, HTTP and SMTP Accounts) Windows Mail Windows Live Mail IncrediMail Eudora Netscape 6.x/7.x (If password isn't encrypted with master password) Mozilla Thunderbird (If password isn't encrypted with master password) Group Mail Free Yahoo! Mail - If the password is saved in Yahoo! Messenger application. Hotmail/MSN mail - If the password is saved in MSN/Windows/Live Messenger application. Gmail - If the password is saved by Gmail Notifier application, Google Desktop, or by Google Talk.