Skip to main content
Switch language
Skip to search

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Inici
Thunderbird
Settings
Customization

Settings

Customization

Customize product appearance and functionality to suit your preferences.

In English

Message threading in Thunderbird - keep messages grouped by conversation

Customize Date and Time formats in Thunderbird

Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings

Display the Thunderbird menus and toolbar

Add Search Engine to Open Search

How to Customize the New Mail Sound

Unified Toolbar

userChrome.css and .js and userContent are unsupported

Illustration of hands

Volunteer

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