If you want to migrate Thunderbird local folders to Outlook with attachments then you can take help from Thunderbird to Outlook Converter. It is an automated tool runs on all Windows edition such as 10, 8, 7, 8.1, Vista, XP, etc. The software export unlimited emails from Thunderbird to Outlook in just one go. The utility saves Thunderbird emails, contact and calendar in Outlook. Additionally some advanced filters are also there for selective migration of Thunderbird files into PST. Download demo edition of Thunderbird to PST Converter to grab more details.