If you want to quickly export Thunderbird emails to Outlook, you may consider using the eSoftTools Thunderbird to Outlook converter. With the aid of this tool, mail from Thunderbird mailboxes may be effortlessly moved to Outlook versions 2019, 2016, 2013, 2010, 2007, and more. When uploading many large Thunderbird files into Microsoft Outlook at once, it smartly preserves attachments, folder structure (inbox, outbox, sent, deleted, etc.), meta properties (to, cc, bcc, subject, etc.), and folder structure. To test the effectiveness of this application, download the free demo version and export the first ten emails from each inbox.