To download them, head to the Add-ons Manager on the Thunderbird app.

Thunderbird is an open-source tool, so any willing developer can build add-ons to provide complementary features. When you quit Thunderbird, any opened tabs will be saved, and you can restore them when you relaunch the app.

There’s no doubt that this feature was inspired by the Mozilla Firefox browser. It's akin to having a browser with multiple tabs open. You can load emails in separate tabs and quickly jump between them, e.g., when you're responding to an email and need to reference an earlier email. Thunderbird differentiates itself with a unique feature called tabbed email. These features go a long way in protecting users from dubious emails. One good thing about using Thunderbird is that it provides additional email filtering functionality that incorporates a Bayesian spam filter, a whitelist based on your address book, or classifications by server-based filters like SpamAssassin. You can archive emails and retrieve them later or delete emails and move them to the Trash section. From the app, you can reply to emails or forward them to other addresses. Thunderbird offers the same functionalities that you’ll expect from your email provider. Just launch the Thunderbird app, and you can view all your emails from there. Hence, anytime you want to read emails, you don’t need to open multiple websites on your browser. You can add as many email addresses as you want to Thunderbird. It’ll redirect you to the domain of your email provider where you’ll need to grant Thunderbird permission. If you have an email with any of these services, just go to Thunderbird’s login page and input the correct credentials. It supports three email providers Gmail, GMX Mail, and Outlook. You can use the Thunderbird app to manage multiple emails from one spot. Thunderbird offers many features to help users stay on top of their communications. (Image credit: Mozilla) Mozilla Thunderbird: Features

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