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Editors' Review · July 22, 2025

In-Depth Review of Mozilla Thunderbird ESR

Mozilla Thunderbird ESR is a robust, open-source email client tailored for users who prioritize stability and security in their email communications. This Extended Support Release (ESR) version is designed for organizations and users who require a dependable tool for managing emails, calendars, and news feeds without frequent interruptions from updates. It features annual updates that include new functionalities while ensuring monthly security patches, which enhances its reliability for daily use. Thunderbird supports a wide range of email protocols, allowing users to connect multiple accounts seamlessly, making it an ideal solution for both personal and professional environments.

The user experience is further enhanced by Thunderbird's highly customizable interface, enabling users to modify layouts and themes according to their preferences. It also boasts advanced search functionalities and filtering options that streamline email management. Integration with various extensions and add-ons expands its capabilities, allowing users to tailor their setup for specific needs. With a commitment to user privacy and data security, Thunderbird ESR stands out as a trustworthy option among email clients, especially for those who value open-source software.

Technical

Title
Mozilla Thunderbird ESR it 128.11.0 for Windows
Requirements
Windows 11
License
Free
Latest update
Author
Mozilla Foundation
SHA-1
7e93a06d1ceaba1e0b674c8bc9df46a69849b886
Filename
128.11.0.exe

Program available in other languages



Changelog

We don’t have any change log information yet for version 128.11.0 of Mozilla Thunderbird ESR it. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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