Thunderbird .msf Files

External

• https://www.systoolsgroup.com/viewer/thunderbird-msf-files.html

Internal

• Thunderbird

Overview

Thunderbird stores e-mail data in two parts. The first one is an MBOX file (without extension), which is a standard format of Mozilla Thunderbird client to store Email content. The second is an MSF file, which is also known as a Mail Summary file with .msf file extension.