Of Thunderbird !free! — Older Versions

Official archives are the safest way to find past releases. Avoid third-party download sites which may bundle malware with the installer. Alumni UTmail+ Search - Information Commons Help Desk

Chosen solution. A possible solution is to manually edit the Mozilla Firefox download link: For example: Version 78.13.0 / Windows... Mozilla Support Releases - Thunderbird 128.0esr * 128.0.1esr. * 128.1.0esr. * 128.1.1esr. * 128.2.0esr. * 128.2.1esr. * 128.2.2esr. * 128.2.3esr. * 128.3.0esr. * 128.3.1... Thunderbird How to download older versions of Thunderbird - Mozilla Support Aug 17, 2021 — older versions of thunderbird

: Often seen as the last "classic" version before the major Supernova visual overhaul. Official archives are the safest way to find past releases

: These versions receive security updates for a longer period without introducing major feature changes, making them ideal for organizations that prioritize stability. How to Download and Install Older Versions A possible solution is to manually edit the

Versions prior to 52 (e.g., Thunderbird 3–45) are extremely obsolete. Modern email providers (Google, Microsoft, Yahoo) have dropped support for their old login protocols (TLS 1.0, less secure apps). Those versions will likely fail to send/receive email.