Mozilla Thunderbird Icon

Mozilla Thunderbird is a free email client and RSS feed reader, developed by Mozilla Foundation, the creator of the popular browser Firefox. It makes your e-mailing, faster and easier with intelligent spam filters, a built-in spell checker, extension support, and more. Furthermore, Thunderbird designed to help you stay safe by preventing viruses and stopping junk mail using leading-edge phishing and spam filters.

Thunderbird supports POP and IMAP. It also supports LDAP address completion. The built-in RSS/Atom reader can also be used as a simple news aggregator. Thunderbird supports the S/MIME standard, extensions such as Enigmail add support for the OpenPGP standard.The program can also manage multiple email, newsgroup, and news feed accounts and supports multiple identities within accounts.

Features such as quick search, saved search folders (“virtual folders”), advanced message filtering, message grouping, and labels help manage and find messages. On Linux-based systems, system mail (movemail) accounts are supported. Thunderbird provides basic support for system-specific new email notifications and can be extended with advanced notification support using an add-on.

Key Features:

  • Tabbed email
  • Safe and secure
  • Lightning fast search
  • Message Archive
  • Migration Assistant
  • Multiple-channel chat
  • Manage multiple email accounts

Last Update: April 29, 2025

Current Version: 138.0

License: Open Source

Languages: Multiple Languages (Full List)

Supported Operating Systems:
Windows XP / Vista / 7 / 8 / 8.1 / 10 (32-Bit, 64-Bit)
Mac OS X 10.6 or later
Linux

Developer: The Mozilla Organization

Homepage: Mozilla.org

Disclaimer: The direct download links we offer for this software are sourced from the official website of the author or developer, guaranteeing they are 100% original and unaltered. However, because the links are external, we cannot guarantee their safety, availability, or download speeds. We will research and find various download options for your software, including online installers, full offline installers (usually 'exe' or 'msi', 'dmg', and occasionally 'iso' or torrent), and portable editions (commonly 'zip' or 'rar'). We wish to clearly express our firm opposition to piracy. We maintain a strict zero-tolerance policy against piracy and will neither offer nor share any pirated or illegal versions or tools. We strongly advise against using such methods, as they can damage your devices. We highly encourage you, if you value this software, to invest in a legitimate license. Doing so not only guarantees your safety but also supports the developers, resulting in improved software quality.