Skip to main content
Switch language
Skip to search

Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Home
Thunderbird
Contacts

Contacts

How to use the address book on Thunderbird

Blocking a sender

This article explains how to block a particular sender in Thunderbird.

Last updated: 02/14/2016

How to create and use mailing lists on Thunderbird

A mailing list is used to send one email to a group of contacts. This article explains how to create and use mailing lists in Thunderbird.

Last updated: 02/13/2015

How to use a Virtual Card (vCard)

This article explains how you can use a virtual card (vCard) in Thunderbird.

Last updated: 06/01/2016

How to use virtual card (vCard)

Created: 02/13/2014

Illustration of hands

Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.