We know that today Microsoft Outlook is the first choice of many users therefore user search solution to load and migrate mailbox from Thunderbird to Outlook.
So if you want to convert Thunderbird emails to Outlook with attachments try MailsDaddy Thunderbird to Outlook Converter tool. This single GUI application keeps all mail items, and provides 100% secure conversion from Thunderbird to Outlook PST, EML, MSG, HTML and various other email clients. You can also install the software on diffeent Windows OS and export data from Thunderbird to Outlook in bulk and selective form.
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Thunderbird emails to Outlook PST