If you want to read or open Thunderbird mail files directly without installing the Thunderbird email client, eSoftTools Thunderbird Email Viewer software is a reliable solution. This tool easily scans Thunderbird profiles and MBOX mail files and displays them in a readable format. Users can preview emails in detail from folders such as Inbox, Sent, and Drafts, including email headers, body, and attachments. Its simple and user-friendly interface is helpful even for new users, allowing them to access mail files securely and quickly.