Overview

What is Thunderbird?

Mozilla Thunderbird makes e-mailing safer, faster, and easier with features

In depth

A closer look at Thunderbird

Mozilla Thunderbird makes e-mailing safer, faster, and easier with features such as intelligent spam filters, a built-in RSS reader, and quick search. Thunderbird was designed to prevent viruses and to stop junk mail. Thunderbird includes tabbed e-mail, new search tools and indexing, smart folders, support for Firefox, a simplified setup wizard and robust junk protections that include phishing and spam filters.

Key Features Include:

Tabbed email.

An Archive feature similar to the one found in GMail.

Lightning fast search.

Smart folders.

Thunderbird has junk mail tools that have been updated to stay ahead of spam and features anti-phishing protection.

Requirements

System requirements

Windows XP / Vista / Windows 7 / XP 64-bit / Vista 64-bit / Windows 7 64-bit / Windows 8 / Windows 8 64-bit / Windows 10 / Windows 10 64-bit

Verdict

Should you download Thunderbird?

Thunderbird runs on Windows 10/11 and is available under the OpenSource under LGPL license — the installer is 36.56 MB. We’ve catalogued it under Chatting and IRC.

Verified clean. Every Thunderbird build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.

Thunderbird specifications

Category: Chatting and IRC
Publisher: Mozilla Organization
Last updated: Apr 28, 2026
Requirements: Windows XP / Vista / Windows 7 / XP 64-bit / Vista 64-bit / Windows 7 64-bit / Windows 8 / Windows 8 64-bit / Windows 10 / Windows 10 64-bit
License: OpenSource under LGPL
Operating system: Windows 10/11
File size: 36.56 MB
Price: Free
Page views: 620

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Thunderbird

What is Thunderbird?

A closer look at Thunderbird

System requirements

Should you download Thunderbird?

Thunderbird specifications

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