Mozilla Thunderbird for Windows

  • Free

  • In English
  • V 102.5.0
  • 4

  • Security Status
Kristina Schulz
Kristina SchulzUpdated 4 months ago

A free feature-rich email client

Mozilla Thunderbird is a free feature-rich application that lets you manage multiple email accounts from one dashboard. Designed for Windows, the software easily integrates with different mailboxes using POP and SMTP protocols. The application is lightweight, and you can expand its capabilities by downloading plugins. 

The free email client gives competition to several paid and powerful apps like Microsoft Outlook, Mailbird, and Eudora. It provides several features, such as the option to backup messages, update different calendars, get access to headlines using the RSS reader, and check emails and daily schedules from one location. The free-to-download application lets you keep track of your day without shuffling multiple devices and apps. 

What can you expect from Mozilla Thunderbird?

Thunderbird by Mozilla is a free email client that you can use to manage several email accounts from one desktop. It is flexible, responsive, and feature-rich and gives users a chance to use one single application to manage more than one email account. Once you download the app, you can simply check your work and personal emails, update multiple calendars, keep track of your schedule, and backup all important information. 

Is Thunderbird email any good?

Thunderbird download isn’t just useful, it’s also very efficient. You have the option to add multiple accounts to the dashboard that you can easily keep track of all your emails without having to open several tabs and applications. Once the setup is complete, you can reply to your emails, update different calendars and sync them all in one place, allowing you to stay on top of your work. 

With regards to efficiency, Mozilla Thunderbird is highly responsive and lightweight. As soon as the setup is complete, you can make a backup of all your messages so that you never lose them. You can also expand the capabilities of the software using various plugins that are easily available on the web. 

Will Thunderbird work with Gmail?

When you complete the Thunderbird download, you can easily set up email accounts of well-known email providers, including Google, Microsoft, Yahoo, and more. All you have to do is type in the address of the provider, and the software will update the settings accordingly. In case you are asked to choose between POP3 and IMAP settings, choose the former to access your emails even when you’re offline

What are the features of Mozilla Thunderbird?

One of the best things about downloading Mozilla Thunderbird is that it has a clean and user-friendly interface. After you set up different accounts, they get organized into folders that you can open and collapse as per your requirements. If you wish to add more accounts, you can easily do so by clicking on the menu icon available on the top-right corner of the screen. Moreover, there’s no limit to the number of email accounts you can add

Similar to adding accounts, adding calendars to Thunderbird is just as easy. Click on the menu icon and add a calendar - just as you would if you were adding another email to the platform. Once done, you can easily view all your saved events, appointments, and updates. Unfortunately, you can’t use Thunderbird to edit or create new calendars. However, you can with a downloadable extension; you can customize the tool so that it lets you modify calendars. 

Does Thunderbird support extensions?

Thankfully, Mozilla Thunderbird lets users download and install extensions quite easily. Just select the ‘Add-ons’ option from the menu and visit the store. From here, you can select and download as many extensions as you need for a seamless experience. In addition to this, you can customize the dashboard as well.

Should I download Mozilla Thunderbird?

If you’re looking for a feature-rich and free email client, download Mozilla Thunderbird. The easy-to-use application lets you add as many email accounts as you want and customize the layout using extensions and custom folders. To keep things moving ahead, the application gets regular updates and supports the use of plugins

Apart from these features, Mozilla Thunderbird supports smart searches, lets users create custom folders, and utilize different web-based tools. It also lets users work with different email providers without any trouble. The software is available in multiple languages and provides various articles and blogs for user reference. 

Simple to use, powerful, and customizable, Thunderbird is a full-featured email application. Thunderbird supports IMAP and POP mail protocols, as well as HTML mail formatting. Easily import your existing email accounts and messages. Built-in RSS capabilities, powerful quick search, spell check as you type, global inbox, deleting attachments and advanced message filtering round out Thunderbird's modern feature set.

Each email you receive passes through Thunderbird's leading-edge junk mail filters. Each time you mark messages as spam, Thunderbird improves its filtering so you can spend more time reading the mail that matters. Thunderbird will also use your mail provider's spam filters to keep junk mail out of your inbox.

Thunderbird protects you from increasingly common email scams—also known as “phishing”—which try to fool you into handing over your passwords and other personal information. Thunderbird will tell you when it thinks a message might be a scam.
Advanced Security

Thunderbird provides enterprise and government grade security features including S/MIME, digital signing, message encryption, support for certificates and security devices. Attachments are never run without your express permission, protecting you from many worms and viruses.

The new Software Update feature makes it easy to get the latest security and feature updates to Thunderbird. Thunderbird automatically downloads these small updates in the background and prompts you when they are ready to be installed.

Select new button controls for your toolbars, install extensions to add new features, or change the look of your browser with themes—the way Thunderbird looks and works is under your control.


  • Free to download and use
  • Lets users access and backup messages
  • Option to sync multiple email accounts
  • Lets users manage calendars seamlessly


  • Some email clients aren’t supported

Also available in other platforms

Program available in other languages

Mozilla Thunderbird for PC

  • Free

  • In English
  • V 102.5.0
  • 4

  • Security Status

User reviews about Mozilla Thunderbird

  • Peter Quennell

    by Peter Quennell

    July 2022. I thought this was discontinued? I downloaded it to test it against the Seamonkey client which I see has many more features, esp re spam an More

  • Bernard Stumpf

    by Bernard Stumpf

    Thunderbird 78.4.3 hangs hard doing Custom Views. Repeatable. Had to kill it and restart it

  • Walter Austin

    by Walter Austin

    This new version does not allow me to reply to emails from friends and customers how do I get back to the old version?

  • Maxw3ll

    by Maxw3ll

    Junk filtering is the biggest joke ever! They come marked in my Inbox instead of Spam. i have to manually unmark and mark them again to get that funct More

  • Alan Beaubien

    by Alan Beaubien

    I have used Mozilla Thunderbird for many years. Suddenly it has stopped downloading messages for my primary email address. I have uninstalled and rein More

  • Kyle Vargo

    by Kyle Vargo

    great application even has a portable app to access your emails from anywhere on a usb thumb drive


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