
Upon restarting you will be greeted with a new Sidebar: Once you have installed the Lightning Extension, Thunderbird will ask you to restart.xpi file you just downloaded onto the new Add-On window to install the plugin. Open Thunderbird, and go to Tools > Add-Ons.Download the latest version of the Lightning calendaring add-on from and save it to your desktop.

Queue Lightning, the calendaring extension for Thunderbird which brings the desktop email application one1 step closer to becoming a viable alternative to Microsoft Outlook. When Google Calendar appeared, it looked very promising… with tools like GooSync, you could sync your Google Calendar with your mobile phone/PDA, but not yet to your desktop client (Thunderbird/Lightning) to do your email / organisation… Who hasn’t been looking for a long time for a rock solid calendaring system, accessible both at home, work and when traveling ?

Bi-directional Sync between Thunderbird/Lightning and Google Calendar - Now with free tips a tricks :-)
