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| File - Download Mozilla Thunderbird v140.6.0 Extended Support Release | ||||||||
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A plea... Deanna and I have been running this site since 2008 and lately we're seeing a big increase in users (and cost) but a decline in percentage of users who donate. Our ad-free and junkware-free download site only works if everyone chips in to offset the revenue that ads on other sites bring in. Please donate at the bottom of the page. Every little bit helps. Thank you so much. Sincerely, your Older Geeks: Randy and Deanna Always scroll to the bottom of the page for the main download link. We don't believe in fake/misleading download buttons and tricks. The link is always in the same place. Mozilla Thunderbird v140.6.0 Extended Support Release This release is intended for users who want all available new features on an annual basis and stability/security fixes on a monthly basis. Mozilla's fastest, most beautiful email, calendar, and contacts release yet. Designed to maximize your freedoms. Freedom from Chaos. Waste less time finding browser tabs. Access all your messages, calendars, and contacts in one fast app. Filter and organize the way you like. Manage all accounts separately or in a unified inbox. Thunderbird simply makes your life simpler. ![]() Freedom from Manipulation Mozilla's agenda isnt hidden. Its to make the world better. Thunderbird is funded by user donations. They dont collect personal data, sell ads in your inbox, or secretly train AI with your private conversations. Thunderbird is open source. As part of the Mozilla family you can be confident they always put your privacy and security first. Freedom to Geek Out Thunderbird is yours. Thunderbird is clean and elegant by default, but easily customizable to match your workflow and visual preferences. It is loaded with unique and powerful features. Key Features Include: Mail Account Setup Wizard One-click Address Book Attachment Reminder Tabbed Email Quick Filter Toolbar Search Tools Message Archive Large Files Management Smart Folders Add-ons Manager Robust Privacy Phishing Protection Automated Update Junk Mail Tools Open Source System Requirements: Windows Windows 10 or later Windows Recommended Hardware 1GHz or faster Intel/AMD compatible processor 1GB RAM / 2GB of RAM for the 64-bit version 500 MB hard drive space additional hard drive space for mail storage Mac macOS 10.15 or later Mac Recommended Hardware Mac computer with an Intel x86 or Apple Silicon processor 512 MB RAM 200 MB hard drive space additional hard drive space for mail storage GNU/Linux Linux Software Requirements Please note that GNU/Linux distributors may provide packages for your distribution which have different requirements. Thunderbird will not run at all without the following libraries or packages: glibc 2.17 or higher GTK+ 3.14 or higher libglib 2.42 or higher libstdc++ 4.8.1 or higher X.Org 1.0 or higher (1.7 or higher is recommended) For optimal functionality, we recommend the following libraries or packages: DBus 1.0 or higher NetworkManager 0.7 or higher PulseAudio Changes: v14.0 New: Drop-down drawer is now enabled Fixed: 'Auto-fit messages' display setting did not persist Edge-to-edge regressed moving/copying message with 3-button navigation Unified Account was displayed when there was only one account Swiping message left or right with slight downward motion aborted prematurely Crash occurred when setting archive folder via swipe after it was set to None Outlook SMTP failed to authenticate for enterprise or educational accounts Gmail folder prefixes appeared after refreshing folder list During account setup, 'Your Name' field was mislabeled as 'Display Name' Quiet time preferences were ignored Thunderbird could crash when deleting an account and returning to the message list This download is for the Windows 10 and higher 64bit version (very bottom of page). All other download assets are below: Windows 10 and higher version: thunderbird32bit-140.6.0esr.tar.xz (32bit) Windows 7/8/8.1: Thunderbird Setup 115.18.0.exe Thunderbird Setup32bit 115.18.0.exe (32bit) MacOS: Thunderbird 140.6.0esr.dmg Linux: thunderbird-140.6.0esr.tar.xz thunderbird32bit-140.6.0esr.tar.xz (32bit) Click here to visit the author's website. Continue below for the main download link. |
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| Downloads | Views | Developer | Last Update | Version | Size | Type | Rank | |
| 8,565 | 23,685 | The Mozilla Organization | Dec 17, 2025 - 12:32 | 140.6.0 Extended Support Release | 71.17MB | EXE | , out of 91 Votes. |
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| Thunderbird Mozilla Extended Support Release v140.6.0 | ||||||||
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