If you want to convert Thunderbird emails to Outlook PST for free, you can first open and view Thunderbird MBOX files with eSoftTools Thunderbird Email Viewer Software. This tool helps users easily read Thunderbird profile emails without installing the Thunderbird application. After previewing the emails and folders, users can analyze the data and prepare it for conversion to Outlook-supported formats like PST using appropriate conversion tools. It provides a simple way to access Thunderbird data before moving it to Outlook.

Read More - Convert Thunderbird to Outlook PST free