Comprehensive Overview of Mozilla Thunderbird ESR

Mozilla Thunderbird ESR is a free and open-source email client designed for Windows users seeking a reliable communication tool. This annual extended support release focuses on providing users with the latest features and consistent security updates, ensuring a stable experience. Thunderbird supports email, newsfeed, chat, and calendaring, making it a versatile choice for both personal and professional use.

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The software emphasizes the importance of open standards, allowing seamless communication across various platforms. Users can easily set up and customize their email accounts, benefiting from a user-friendly interface. With regular updates and a commitment to user freedom and choice, Mozilla Thunderbird ESR is an excellent option for those looking for a robust email client that prioritizes security and functionality.

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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is Mozilla Thunderbird ESR gd safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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Scan Info

Last scan
Friday, February 20, 2026
Scan provider
VirusTotal · Full report

File Integrity

File
140.7.1.exe
SHA256
d75f1ba11c42711fbb904b5bed9e13d2e4f11e278e71b81ca107d142278b8190
SHA1
32faead1c08471b44e85ee03f4b787662f332918

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Mozilla Thunderbird ESR gd has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center