For many users, reading or opening Thunderbird mail files directly is difficult because MBOX files are not easily accessible without an email client. The easy solution to this problem is eSoftTools Thunderbird Email Viewer software. This tool allows you to open Thunderbird MBOX mail files without having Thunderbird installed. Users can easily read emails, attachments, headers, and formatting. The software has a simple and secure interface, enabling both technical and non-technical users to view their Thunderbird mail files safely and quickly.