Mozilla FTP Archive (For older OS X versions like Mojave, High Sierra, or El Capitan). 1. System Requirements & Compatibility
Modern builds support both Intel x86 and Apple Silicon (M1/M2/M3) processors natively. 2. How to Install Thunderbird on Mac thunderbird os x download
Before starting your , ensure your Mac meets the requirements for your specific operating system version. macOS / OS X Version Compatible Thunderbird Version Support Status macOS 10.15 (Catalina) to macOS 15+ Thunderbird 128.0 "Nebula" & 140 "Eclipse" Active macOS 10.12 to 10.14 (Mojave) Thunderbird 115.18.0esr (Final) End of Life Mac OS X 10.9 to 10.11 Thunderbird 78.x or 60.x Mac OS X 10.6 to 10.8 Thunderbird 45.x or 52.x Mozilla FTP Archive (For older OS X versions
Thunderbird OS X Download: The Complete 2026 Guide Thunderbird remains the premier open-source email client for Mac users who want to move beyond the limitations of Apple Mail. Whether you are looking for the latest for a modern Mac or need a legacy version for an older machine, this guide covers everything from system requirements to advanced setup. Quick Download Links Whether you are looking for the latest for
The installation process for macOS is straightforward and follows the standard Apple "drag-and-drop" method. Mozilla Supporthttps://support.mozilla.org Install on a iMac OS X 10.5 - Thunderbird - Mozilla Support
Download Thunderbird for macOS (Compatible with macOS 10.15 and later).