It’s important to have record for your important email account setting and password, so, you will have backup, when you have problem with it. Mail PassView can do that easily.
This software allows you to export all information in your email account setting. You can get username and password from most of popular email program, such as Windows Live Mail, Outlook Express, Microsoft Outlook 2000-2010, Windows Mail, IncrediMail, Eudora and other.
To use it, you just need to run the program and it will give you information about all data that stored on any email clients that you choose. You can choose one of them and save it as text file or copying it to the clipboard. But, be careful, most of antivirus considered this action as hacking, so, you will get many alerts from it.