Portable Thunderbird Supernova Nebula 138.0 / 140.0a1 Daily / 128.10.0 ESR / 115.

Developed by John T. Haller - Windows - setup file thunderbird-140.0a1.en-US.win32.zip (108.68 MB) - Freeware

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Developer Link 1 (ThunderbirdPortable_138.0.0_English.paf.exe)
Developer Link 2 (thunderbird-140.0a1.en-US.win32.zip)
Developer Link 3 (ThunderbirdPortableESR_128.10.0_English.paf.exe)
Developer Link 4
Download3k US (thunderbird-140.0a1.en-US.win32.zip)
Download3k EU (thunderbird-140.0a1.en-US.win32.zip)

MD5: 0fce1f9780bd8b5524d8c6b58bb58ddb

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Quick Review

"Supports running from removable drives."

The most popular portable POP3 e-mail client is Thunderbird, and you can download it right here completely for free. Since it's portable, you're able to open this program straight from a CD, DVD, or other form of external media. Installation is simple, just download the ZIP file, extract it, and move to your desired media device. From there, you'll be able to open the file on any computer and access your designated e-mail accounts. In order to update Thunderbird, all you need to do is copy your existing profile directory and paste it into the new version after installing. Download now, remember, it's completely free!

Key Features of Portable Thunderbird:

Fully portable POP3 e-mail client that can be accessed via CD, DVD, or external media
Easy to set up and save accounts
Sleek UI that is fast and responsive
Simple updates, free to use, and compatible with Windows OS

Antivirus information

Download3K has downloaded and tested Portable Thunderbird Supernova on 4 May 2025 with some of Today's best antivirus engines and you can find below, for your convenience, the scan results:

Avast:
Clean
Avira:
Clean
Kaspersky:
Clean
McAfee:
Clean
NOD32:
Clean