If you don't have Thunderbird installed but need to access Thunderbird emails, you can use the
eSoftTools Thunderbird Viewer.
🔹
Steps to Open Thunderbird Mail Files Without Thunderbird:
1. Download and install the eSoftTools Thunderbird Viewer.
2. Launch the tool and select your MBOX or Maildir files from Thunderbird.
4. The software will scan and display all emails with attachments.
5. Click on any email to preview its content instantly.
👉 More Details: How to Read/Open Thunderbird Mail File