主な機能
力強い生産性の味方。
広告もスパイウェアもありません
本当の意味で無料です！
Instead of making money with ads or data, Thunderbird is developed with donations of time and money from people just like you. Manage your email without giving up more of your privacy.
プライバシーポリシーを読む
All-in-One Email App
Reduce app clutter.
Consolidate all your email apps into one powerful app that respects your privacy and freedom. View messages separately or in one unified inbox.
Multiple Account Support
Don’t miss a message.
Sync with email accounts for home, school, and work. Almost anywhere you receive messages, we will have you covered.
Advanced Email Encryption
Send and receive secure messages on any account.
Advanced users who want the highest level of privacy can send and receive encrypted emails using the OpenPGP standard when paired with the free and open source OpenKeychain app. Even your email provider won’t have access to your messages.
Light and Dark Interface
Match your preference or environment.
Read your email any time of day and in the way you love with native dark and light mode support. Many small interface features will make you fall in love with Thunderbird Mobile.
常に無料でオープン
Thunderbird はあなたのような人々からの贈り物です。
Thunderbird プロジェクトを実現するために、何千もの人々が時間とお金を投じてきました。そのコードはオープンソースで、自由に使用、改変、再配布できます。Thunderbird は無料なだけでなく、あなたを自由にします。
私たちの使命について知るInstant Setup
Thunderbird Desktop users can migrate their settings quickly. Just scan the desktop app QR code from the mobile app.
