Installing Lightning

Lightning is a Thunderbird extension that adds calendar functions to the email client. Here's how to install it.
  1. Go to the Tools menu and click Add-ons to open the Add-on window.


  2. In the Search All Add-ons box, type Lightning.


  3. Click on the Lightning extension.
  4. Click the Add to Thunderbird button

    A message asking you to verify that you chose the correct extension appears.


  5. After a four-second delay, you can click the Install Now button. Or, you can click the Cancel button at any time.


  6. Once installation is complete, restart Thunderbird.
You can learn more about Lightning by going to the Lightning Project web site.