Lot of user even is not aware that there is a nice function named Windows Vault in Microsoft Windows 7. This Windows Vault, automatically saves all the user logon data when you use various web services from Microsoft, like Windows Live family including Windows Live Writer, Windows Live Mail, Windows Live Messenger and Internet Explorer.
Microsoft has written in their official website:
What is Credential Manager?
Credential Manager allows you to store credentials, such as user names and passwords that you use to log on to websites or other computers on a network. By storing your credentials, Windows can automatically log you on to websites or other computers. Credentials are saved in special folders on your computer called vaults. Windows and programs (such as web browsers) can securely give the credentials in the vaults to other computers and websites. For information about saving credentials in a vault, see Store passwords, certificates, and other credentials for automatic logon.
Backup Windows Vault
It is very easy to backup the information from Windows vault. Only few steps are indeed needed. Click the Start orb. Type Vault in the Start menu search field:
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and you will see the option Manage Windows Credentials is appearing on the top of Start menu search result:

You will need to create an account first. Click on either Add a Generic credential or Add a certificate based credential link:

In the Next Window, fill the informations:

Go back to Windows Credential Manager main window. You will see the option to backup vault:

Click it. It will bring a window that will ask you to save it in some secure place. Click the Browse button :

Browse the location and save the credential file. That is it.
