To use Microsoft® Outlook Express widely is all because of its free availability with Windows Operating System. Outlook Express is useful on one hand and on the other hand comprises of many flaws which makes Outlook Express users to turn towards Thunderbird email system. If you want this conversion, then use DBX to Thunderbird conversion software as it makes easy conversion for you. This software is also called DBX to Thunderbird Converter tool for greater efficiency and perfection. Outlook Express is not suitable to provide better emailing environment when it comes to manage large number of emails. This email system consisted is vulnerable to get affected from corruption easily which is not the case with Thunderbird. In comparison to Outlook Express, Thunderbird is faster, powerful, and easier to work with. You can avail Thunderbird free of cost similar to Outlook Express. In order to avoid risk from Outlook Express, users tend to export Outlook Express to Thunderbird.