LightningButton is a Thunderbird extension that adds two toolbar buttons: Calendar and Tasks.
How to Install in Thunderbird:
1. Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
2. In Mozilla Thunderbird, open Add-ons from the Tools menu.
3. Click the Install button, and locate/select the file you downloaded and click "OK".
Product's homepage
Here are some key features of "LightningButton":
· Adds Calendar and Tasks Button
· Hides Calendar and Tasks Button in tab bar
Requirements:
· Lightning for Thunderbird
· Mozilla Thunderbird
What's New in This Release: [ read full changelog ]
· Fix for issues when using this Add-on to hide the tabbar in TB 11.