Settings Manage and customize your product experience with settings, add-ons, and more. In English Thunderbird and Junk / Spam Messages Compacting folders Filelink for Large Attachments Message threading in Thunderbird - keep messages grouped by conversation Export your Thunderbird Profile Import settings and data into Thunderbird Config Editor Archived Messages Signatures Customize Date and Time formats in Thunderbird Using Multiple Profiles Installing an Add-on in Thunderbird Configuration Options for Accounts Display the Thunderbird menus and toolbar How to create and use mailing lists on Thunderbird Upgrading from an older version of Thunderbird Thunderbird add-ons - frequently asked questions How to Install and Use another Language in the Dictionary on Thunderbird Install themes to change the look of Thunderbird Hyperlinks in Messages Not Working FAQ Changing IMAP to POP How to disable or change the Thunderbird start page Open Search How to Customize the New Mail Sound How to Customize Toolbars New in Thunderbird 102 Unified Toolbar Creating a Newsgroup Account Names but no Email Addresses are Displayed Message List Columns Configuration Options for Identity Configuration Options for Tags Configuration Options for Attachments Certificates Block a sender Installing Thunderbird on Ubuntu Linux How to Subscribe to News Feeds and Blogs Instant Messaging and Chat Installing and Using another Language in the Dictionary Advanced panel - System, network, updates, and other advanced settings in Thunderbird Security panel - Junk, scam, antivirus, and password settings in Thunderbird Privacy panel - Remote content and cookie settings in Thunderbird Unable to install add-ons (extensions or themes) in Thunderbird Dangerous directories Primary Password is replacing Master Password in Thunderbird Unable to uninstall add-ons (extensions or themes) New in Thunderbird 115 Supernova