Settings Manage and customize your product experience with settings, add-ons, and more. All All articles and threads Import and export settings Customization Add-ons, extensions, and themes In English Thunderbird and Junk / Spam Messages Filelink for Large Attachments Import settings and data into Thunderbird Compacting folders Signatures The difference between IMAP and POP3 Getting Started with the Thunderbird main window (Supernova and newer) How to change the Thunderbird layout Import settings and data into Thunderbird for Android Appearance Panel - Layout, Message List, Card View, Table View, Sorting and Threading settings Customize Date and Time formats in Thunderbird Profile Manager - Create and remove Thunderbird profiles Message threading in Thunderbird - keep messages grouped by conversation Setup your email account for using End-To-End Encryption FAQ Changing IMAP to POP IMAP Synchronization Configuration Options for Accounts Display the Thunderbird menus and toolbar Get started with Thunderbird Installing an Add-on in Thunderbird Install themes to change the look of Thunderbird Thunderbird add-ons - frequently asked questions Switch from POP to IMAP account Message List Columns Use multiple profiles in Thunderbird Thunderbird and Exchange How to disable or change the Thunderbird start page Thunderbird makes unrequested connections How to Subscribe to News Feeds and Blogs Advanced panel - System, network, updates, and other advanced settings in Thunderbird Unified Toolbar Config Editor How to Install and Use another Language in the Dictionary on Thunderbird Security panel - Junk, scam, antivirus, and password settings in Thunderbird Thunderbird Matrix Chat FAQ Creating a Newsgroup Account Make Thunderbird the Default Mail Client How to Customize the New Mail Sound How to Customize Toolbars Maildir in Thunderbird Unable to install add-ons (extensions or themes) in Thunderbird Getting started with the Thunderbird main window Upgrading from an older version of Thunderbird userChrome.css and .js and userContent are unsupported Thunderbird and Gmail Names but no Email Addresses are Displayed Configuration Options for Identity Configuration Options for Tags Configuration Options for Attachments Certificates Block a sender Installing Thunderbird on Ubuntu Linux Add Search Engine to Open Search Instant Messaging and Chat Installing and Using another Language in the Dictionary Thunderbird and Logjam Privacy panel - Remote content and cookie settings in Thunderbird Dangerous directories Unable to uninstall add-ons (extensions or themes) OpenPGP Recipient Alias Configuration Notifications in Thunderbird