Thunderbirdデスクトップ

Core Features

Your new productivity superpowers.

Multiple Account Support

Manage all your emails in one place.

All your email accounts have a home in Thunderbird. Manage accounts separately or in a unified Inbox. Search and organize with ease. Say goodbye to all those browser tabs!

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Ad Free Experience

Free without strings attached.

We do not make money by reading your email. We do not clutter your inbox with ads. Enjoy a clean interface free from commercials and data mining.

Read Our Privacy Policy

Cross Platform Support

Your email should work wherever you do.

Never find yourself locked into an ecosystem. Use the operating system you like and change whenever you like while enjoying the same desktop app experience.

See All Available Versions

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Calendar, Contacts, and Tasks

Because email is just one part of being productive.

Thunderbird helps your manage your appointments, contacts, and tasks. Stay organized, productive, and connected in one place.

Better Security and Privacy

Be safe and in charge by default.

Thunderbird is open source. Its code has been constantly reviewed and improved over 20 years. Transparency keeps us accountable and you safe.

View the Source Code

Always Free and Open

Thunderbird is a gift from people like you.

Thousands have contributed time and money to make Thunderbird possible. Its code is open source and freely licensed to use, modify, and share. Thunderbird isn't just free, it makes you free.

Learn Our Mission

Third-Party Ecosystem

What you can do with Thunderbird doesn't stop with us.

Explore Thunderbird Add-Ons

Helpful Resources

Level up your Thunderbird Skills.

Getting Started

Almost anyone can participate in making Thunderbird better and more accessible to others. Come and learn what opportunities are available. Find ways to contribute to the project:

How to Participate