Experience Early Thunderbird Beta Builds with a Fast, Secure, Privacy-Focused Email App
Download Thunderbird Beta to explore upcoming features, performance upgrades, and bug fixes before they officially launch. Your testing and feedback help shape a smoother, more reliable experience for millions of users worldwide.
Thunderbird is a powerful, privacy-focused email app designed for productivity, open-source transparency, and secure communication. Manage multiple accounts effortlessly with a Unified Inbox and enjoy a clean, ad-free environment supported solely by user contributions. Ideal for anyone seeking a secure mobile email client, productivity app for Android, or privacy-first communication tool.
Developers, designers, translators, and contributors of all kinds are always welcome. Find our bug tracker, source code, and wiki on GitHub, or join the global community to help build the future of open-source email.
What You Can Do
- Ditch multiple apps and webmail—use one app with an optional Unified Inbox to manage everything efficiently.
- Use a privacy-friendly email client that never collects or sells your personal data. We connect you directly to your email provider—nothing more.
- Boost your security with OpenPGP email encryption (PGP/MIME) via the “OpenKeychain” app to encrypt and decrypt messages.
- Choose instant sync, scheduled checks, or manual updates—your email, your workflow.
- Use fast local and server-side search to find important messages anytime.
Compatibility
- Works with IMAP and POP3, supporting Gmail, Outlook, Yahoo Mail, iCloud, and more.
Why Use Thunderbird
- A trusted name in email for over 20 years—now on Android.
- Funded entirely by voluntary contributions. No data mining. You are never the product.
- Designed for maximum efficiency so you get more done in less time.
- Translated into 20+ languages by a global community of contributors.
- Supported by MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation.
Open Source and Community
- Thunderbird is free and open source—its code is available to view, modify, use, and share. Its license guarantees it will remain free forever.
- Developed in the open with transparent updates via our blog and mailing lists.
- Community-powered support: find answers, contribute translations, answer questions, or share Thunderbird with others.