Windows software

Mozilla Thunderbird Beta (MSIX)

Name: Mozilla Thunderbird Beta (MSIX)
Author: Mozilla

Mozilla.Thunderbird.Beta.MSIX v148.0.6

A free and open source email, newsfeed, chat, and calendaring client that is easy to set up.

Install with Winget

Command line

PS> winget install --id Mozilla.Thunderbird.Beta.MSIX -e

Official manifest sources

External links ↗

Installer	Details	SHA-256	Download
x64 archive.mozilla.org	msix	`0675FB2B4C151DA531913DE9B476607B882F6B24D9565A3D29720505FD4AE4CA`	Download

No dependency information in this manifest.

Before you download

Links come from the Winget manifest and open external publisher infrastructure. Verify the publisher and checksum before running a file.

Mozilla.Thunderbird.be

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Mozilla.Thunderbird.br

Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!

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Mozilla.Thunderbird.ca

Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!

v154.0 Aug 18, 2026

Mozilla.Thunderbird.ar

Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!

v154.0 Aug 18, 2026