Thunderbird
Universal version latest seen at v153.0 · Reported by 341 Macs in the community.
All sighted native versions (20+):
Sighting data is community-sourced — version availability and pricing should be verified with the developer.
Mozilla Thunderbird is a free, open-source email client that lets you manage multiple email accounts, calendars, and contacts in one customizable application. It offers features like built-in spell checking, message filtering, search functionality, and support for encryption via OpenPGP. Thunderbird is popular with users who want a standalone desktop email solution independent of web browsers, and it's particularly favored by privacy-conscious users and those managing multiple email accounts across different providers.
AI Recommendation
1 suggestionGreat news: Thunderbird has already been updated to a native Universal Binary version. Version 150.0.1 (released in 2026) includes full Apple Silicon support and is confirmed running natively on 23 Mac devices in our community. If you're still on version 78.14.0, you should update to the latest version immediately—it will run at full native speed on your Apple Silicon Mac with no Rosetta 2 translation needed. Simply download the latest version from the official Thunderbird website or use the built-in auto-update feature.
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