If you are looking an advanced software that helps you backup Outlook mails to Thunderbird? Then, try Outlook to MBOX Conversion tool which help users to backup Outlook mails to Thunderbird with all details and attachments. It is a very simple and easy to use this software, so anyone can easily handle and works with software without any help. Keeps maintain all the database and formatting during the conversion process without any changes and data loss. It can converts selected file from Outlook to Thunderbird without any issues. MS Outlook installation is not required for migration process. It compatible with all the latest and below editions of MS Outlook such as 2021, 2019, 2016, 2013, and etc. and also Windows OS (11, 10, 8.1, 8, 7, and etc.)