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Mozilla Thunderbird, Portable Edition Test

email client

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Version 101.0 Beta 1 for Windows x64, English
59MB download / 226MB installed
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Mozilla Thunderbird, Portable Edition Test can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the Platform for easy installs and automatic updates.

Also Available: Mozilla Thunderbird, Portable Edition Stable

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Mozilla Thunderbird, Portable Edition Test is a test version of the popular Thunderbird email client bundled with a Launcher as a portable app that is being made available for testing purposes only, and is intended for extension developers and our testing community. For everyday use, please use Mozilla Thunderbird, Portable Edition.


App Notes

Install Note: This will install alongside a Mozilla Thunderbird, Portable Edition installation by default in a ThunderbirdPortableTest directory. It also supports upgrading existing installations by changing the location.

Download Details

Open Source Initiative
  • Publisher: Mozilla & (John T. Haller)
  • Date Updated: 2022-05-06
  • Date Added: 2004-09-09
  • System Requirements: Windows 7, 8, 10, 11 (64-bit Only)
  • App License: Open Source (MPL/GPL/LPGL under Mozilla EULA)
  • Source: Mozilla Thunderbird, Launcher source included, Installer
  • MD5 Hash: 3f85468f8790230ec75a4f724600dbb7 (English)
  • SHA256 Hash: 062aa14bb5a0a97c0a0b65397480b793b66e47a6f364a89ebc3ffa8b487d3ea4 (English)

Mozilla®, Thunderbird® and the Thunderbird logo are registered trademarks of the Mozilla Foundation and are used with permission.