Google Search for Thunderbird is an extension for the Thunderbird email client allowing users to query Google by making it the default search engine.
Google Search for Thunderbird is an open source add-on designed to work with Mozilla Thunderbird 11.0 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".
Product's homepage
Requirements:
· Mozilla Thunderbird