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Thunderbird - your favorite free mail, calendar, RSS, and contact management system - is now ported to the Microsoft Store, thanks to Store Ports and the open source community. Thunderbird is an open source program and is, has been, and always will be, absolutely free.


Additional information

Published by

Store Ports


©2019 ""

Developed by

Mozilla and the Open Source community.

Release date


Approximate size

125.99 MB

Age rating

For all ages

This app can

Access all your files, peripheral devices, apps, programs and registry
Access your Internet connection


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)

Publisher Info

Thunderbird support

Additional terms

Thunderbird privacy policy
Terms of transaction
Thunderbird license terms
Ported to the Microsoft Store by Store Ports. Distributed by Store Ports and Microsoft. View our efforts on Github with full transparency at

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