Comprehensive Review of Mozilla Thunderbird ESR

Mozilla Thunderbird ESR is a versatile email client designed for Windows users who prioritize stability and security. This free and open-source software offers features such as email management, newsfeed access, chat functionalities, and integrated calendaring. It is built on the principles of open standards, promoting interoperability among various communication platforms. Users can customize their experience easily, making it suitable for both personal and professional use.

The ESR (Extended Support Release) version ensures that users receive new features annually while also benefiting from regular monthly updates that enhance stability and security. This makes Thunderbird ESR an ideal choice for those who value a reliable email solution without the complexities of frequent updates. Overall, it combines functionality with user freedom, allowing individuals to communicate effectively and securely.

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Is Mozilla Thunderbird ESR ms safe?

100/100

Score result: Clean

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

  • Virus free
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  • Malware free
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Scan Info

Last scan
Saturday, October 25, 2025
Scan provider
VirusTotal · Full report

File Integrity

File
140.3.1.exe
SHA256
c7131a511d8c91b7a143e6f6d636442ca5e01be9b6497a1f3a6250dbeb729684
SHA1
5f76e5eae933f87b0a00820283709a075cf3a93c

Softonic security commitment

Mozilla Thunderbird ESR ms 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