If you are looking to import Thunderbird to Outlook in bulk, use the Yota Thunderbird Converter Tool, which is one of the most reliable and efficient solutions. The software handles single as well as multiple Thunderbird files at once, saving your time and effort. With this tool, you can easily export complete Thunderbird mailbox data into PST format without data loss. The utility ensures smooth conversion with 100% accuracy. The software is compatible with all Microsoft Outlook versions and supports both PST formats.