Thunderbird: Free Your Inbox
Mozilla Thunderbird
About
Thunderbird is a free, privacy-focused email client that lets you manage multiple email accounts from a single app with an optional Unified Inbox. Built on open-source technology and funded entirely by user contributions, Thunderbird never collects or sells your personal data and contains no ads. It works with IMAP and POP3 protocols, supporting Gmail, Outlook, Yahoo Mail, iCloud, and other providers. Features include local and server-side search, flexible sync options (instant, scheduled, or on-demand), and OpenPGP email encryption support via the OpenKeychain app. Available in over 20 languages and maintained by Mozilla's dedicated team alongside a global community of volunteers.
Highlights
- Manage multiple email accounts in one app with optional Unified Inbox
- OpenPGP email encryption support via OpenKeychain app for secure messaging
- Works with IMAP and POP3 protocols, compatible with Gmail, Outlook, Yahoo Mail, iCloud
- Flexible sync options: instant, scheduled intervals, or on-demand
- Local and server-side search to find important messages
- No ads, no data collection—funded entirely by user contributions
Best for
Anyone managing multiple email accounts who wants a single, ad-free app without data tracking. Privacy-conscious users seeking OpenPGP encryption capabilities. People switching from webmail or multiple email apps who value open-source software and transparent development.
At a glance
Thunderbird: Free Your Inbox is available on Android, Windows, macOS, and Linux — all free to download.
It is developed by Mozilla Thunderbird.
Screenshots
Frequently Asked Questions
- Is Thunderbird: Free Your Inbox free?
- Yes — Thunderbird: Free Your Inbox is free to download on Android, Windows, macOS, and Linux.
- What platforms is Thunderbird: Free Your Inbox available on?
- Thunderbird: Free Your Inbox is available on Android, Windows, macOS, and Linux.
- What is Thunderbird?
- Thunderbird is a free, open-source email client that manages multiple email accounts from one app. It's privacy-focused, funded by user contributions, contains no ads, and never collects or sells personal data.
- Does Thunderbird support Gmail and other major email providers?
- Yes. Thunderbird works with IMAP and POP3 protocols and supports a wide range of email providers including Gmail, Outlook, Yahoo Mail, iCloud, and more.
- Can I encrypt my emails with Thunderbird?
- Yes. You can take your privacy to the next level by using OpenPGP email encryption (PGP/MIME) with the OpenKeychain app to encrypt and decrypt your messages.
- How often can I sync my email?
- You can choose how to sync your email: instantly, at set intervals, or on-demand, depending on your preference.
- What are the alternatives to Thunderbird: Free Your Inbox?
- Thunderbird: Free Your Inbox is similar to Proton Mail - Encrypted Email, Mullvad VPN, Zoom Workplace, and K-9 Mail. Browse related apps by tag: open source, email client, communication, and privacy.
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