Resize Header is a simple Thunderbird extension that empowers users to effortlessly resize the message header pane.
Resize Header is an open source add-on designed to work with Mozilla Thunderbird 3.1 and later.
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".
· Mozilla Thunderbird
What's New in This Release: [ read full changelog ]
· Now you'll be able to resize the header in the standalone message window, too!