Thunderbird email archive

Thunderbird is a free and open-source email, calendaring, newsfeed, and chat client that puts users in control of their communications. With over 20 million active monthly users across Windows, macOS, and Linux, it is a leading all-in-one communications command center that promotes open and decentralized standards. As part of MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, Thunderbird continues to innovate and provide users with a robust and customizable email experience.