Imagine a scenario where you have two email accounts, one each in Windows live mail and Mozilla thunderbird. You are later considering having just one email account, and you do not want the secondary account anymore. This is where importing comes into place. With the help of the import option, you can move all your emails, calendars, and contacts from Windows live to Mozilla thunderbird using how to import Windows live mail to Thunderbird instructions.
Let me describe the exact steps for you to follow on how to import emails and contacts from Windows live mail to Mozilla thunderbird.