Mozilla Thunderbird for Windows

Mozilla · Open source

Mozilla Thunderbird is a free and open-source communication client that combines email, calendaring, address books, and feed reading into a single desktop and mobile interface. Licensed under the MPL-2.0, it allows users to manage multiple accounts locally with extensive customization and robust privacy protections.

Download for Windows

download-installer.cdn.mozilla.net · Official website

✓ Official source (winget)
✓ File is identical to the one the publisher released (SHA256 matched)
✓ Last checked: Nov. 4, 2026
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Version: 159.0
Release date: Oct. 27, 2026
License: MPL-2.0
Installer type: nullsoft

Install from the command line

How do I use this?

Type Terminal in the Start menu and open it, paste the command (Ctrl+V or right-click) and press Enter. It uses winget, Windows' own package manager, to install the program from its official source.

winget install --id Mozilla.Thunderbird -e

SHA256 (file verification)

70eac5e244f67cb4fbe4386da20f5287573233fc5139bcf0e8e522b61e4b013e

Other supported versions

Mozilla Thunderbird ESR · 153.6.0 · Oct. 27, 2026 Download

winget install --id Mozilla.Thunderbird.ESR -e

SHA256 (file verification)

76ef8cfd592b9ee8461fae321794250b49ad5f3290337486aa29c1b3a3304d4e

How to install

Click the official download button to get the installer, or run 'winget install --id Mozilla.Thunderbird -e' in PowerShell/Command Prompt.
Run the downloaded executable file to start the setup wizard.
Follow the on-screen steps to complete the installation.

Platform pages: Windows · macOS · Linux · Android · All platforms and details