If this is the first time you launched Thunderbird, it asks you whether you would like a new email address. Click <i>Skip this and use my existing email</i> and proceed to step 4.
Enter your name<spanclass="client_variables_available"> (<code><spanclass="client_var_name"></span></code>)</span>, email address<spanclass="client_variables_available"> (<code><spanclass="client_var_email"></span></code>)</span> and your password. Make sure the <i>Remember password</i> checkbox is selected and click <i>Continue</i>.
To use your contacts from the server, click on the arrow next to "Address Books" and click the <i>Connect</i> button on each address book you would like to use.
To use your calendars from the server, click on the arrow next to "Calendars" and click the <i>Connect</i> button on each calendar you would like to use.