concretesubmarine.com/ FORUM

If you are also searching for the most reliable ways to migrate Thunderbird to Outlook then you can go through this informative article that I've recently found. This amazing write-up will walk you through the in-depth guide of the manual method to export Thunderbird emails to Outlook. However, the manual methods are quite complicated to perform effectively. 

Therefore, you can also opt for the advanced and secure Cigati Thunderbird Backup Tool. This software has several advanced features that makes it more compatible with non-technical users. It also facilitates its users to save their emails into various file formats such as EML, EMLX, PDF, CSV, PDF, etc. Moreover, users can also transfer their emails to Gmail, IMAP, iCloud, Hotmail, and many other email clients. For analyzing its performance, try its free demo version.