Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

Close

On the go?

Check out our Mobile Add-ons site.

Close

Contacts

Subscribe

CardBook Requires Restart Featured

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (196)
45,734 users

Download Now