Migrating Thunderbird emails to Outlook PST format is a very tedious task, so most users search for a way to open emails in Outlook on the web.MailsDaddy Thunderbird to Outlook Converter tool is the easiest way to convert and open mailboxes in PST format. This application has many other conversion options like EML, MSG, HTML, etc. You can install the software on all Windows OS and easily migrate data to PST format. The trial version of the solution transfers a few emails from each folder.