Mozilla Thunderbird 139.0.2

Mozilla Thunderbird 139.0.2

Mozilla Foundation  ❘ 32.5MB  ❘ Open Source
Android iOS Windows Mac Linux
out of 915 votes
Rank 1 among competitors
Latest Version
139.0.2
Safe to install

Organize Your Emails with Ease Using Mozilla Thunderbird!

Pete Milner

Mozilla Thunderbird is a robust email client that allows you to manage your emails efficiently.
2024 Editor's Choice
EXCELLENT User Rating

Mozilla Thunderbird: A Comprehensive Email Client Review

When it comes to managing emails efficiently, Mozilla Thunderbird by Mozilla Foundation stands out as a powerful and versatile email client that offers a wide range of features for both personal and professional use.

Features:

  • Email Management: Thunderbird supports multiple accounts, making it easy to manage all your emails in one place. You can also set up email filters and tags for better organization.
  • Security: With its built-in phishing protection and strong encryption capabilities, Thunderbird ensures that your emails remain secure and private.
  • Customization: Thunderbird allows you to customize its interface with various themes and add-ons, enabling you to tailor the application to suit your preferences.
  • Calendar Integration: You can integrate your calendar with Thunderbird, making it convenient to manage your schedule alongside your emails.
  • Search Capabilities: Thunderbird offers powerful search features that help you quickly find specific emails or information within your email accounts.

Upsides:

  • Free to download and use
  • Easy-to-use interface
  • Strong focus on user privacy and security
  • Support for add-ons and extensions
  • Regular updates and support from Mozilla Foundation

Downsides:

  • Lack of real-time collaboration features
  • Interface may feel dated to some users

In Summary:

Mozilla Thunderbird is a reliable email client that offers a wide array of features for managing your emails efficiently. With its focus on security, customization options, and ease of use, Thunderbird is a solid choice for anyone looking for a versatile email client.

Overview

Mozilla Thunderbird is a Open Source software in the category Communications developed by Mozilla Foundation.

The users of our client application UpdateStar have checked Mozilla Thunderbird for updates 25,761 times during the last month.

The latest version of Mozilla Thunderbird is 139.0.2 , released on 06/11/2025. It was initially added to our database on 10/12/2007.

Mozilla Thunderbird runs on the following operating systems: Android/iOS/Windows/Mac/Linux. The download file has a size of 32.5MB.

Users of Mozilla Thunderbird gave it a rating of 5 out of 5 stars.

Pros

  • Supports multiple email accounts and email protocols
  • Offers a range of plugins and add-ons to customize functionality
  • Integrated calendar feature for managing schedules and events
  • Strong focus on user privacy and security measures
  • Cross-platform compatibility
  • Open-source software with a large community for support and development

Cons

  • User interface can be overwhelming for beginners
  • Lack of official support for some advanced features
  • Limited integration with popular online services like Google Drive or Dropbox
  • Occasional difficulty in setting up certain email configurations

FAQ

What is Mozilla Thunderbird?

Mozilla Thunderbird is a free and open-source email client developed by the Mozilla Foundation. It allows users to manage their emails, contacts, calendars, and news feeds all in one place.

What operating systems are compatible with Thunderbird?

Mozilla Thunderbird is compatible with Windows, Mac, and Linux operating systems.

What protocols does Thunderbird support?

Thunderbird supports a variety of protocols including POP, IMAP, SMTP, RSS, LDAP, and others.

Is Thunderbird easy to use?

Thunderbird is designed to be user-friendly and easy to set up. However, some features may require a bit of technical know-how.

Can I use Thunderbird with my existing email accounts?

Yes, Thunderbird can be used with most email services including Yahoo, Gmail, Outlook, and others.

Can I customize Thunderbird?

Yes, Thunderbird can be customized with a variety of addons, themes, and plugins to enhance its functionality and appearance.

What security features does Thunderbird have?

Thunderbird has built-in security features including phishing protection, encryption support, and spam filtering.

Is Thunderbird free to use?

Yes, Thunderbird is completely free to use and distribute.

Does Thunderbird include a calendar?

Yes, Thunderbird includes a built-in calendar that allows users to manage their schedule.

Is Thunderbird still being developed?

Yes, Mozilla Thunderbird is still actively developed by the Mozilla Foundation and receives regular updates.


Pete Milner

Pete Milner

I'm Pete, a software reviewer at UpdateStar with a passion for the ever-evolving world of technology. My background in engineering gives me a unique insight into the intricacies of software, allowing me to provide in-depth, knowledgeable reviews and analyses. Whether it's the newest software releases, tech innovations, or the latest trends, I'm here to break it all down for you. I work from UpdateStar’s Berlin main office.

Latest Reviews by Pete Milner

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Installations

25,761 users of UpdateStar had Mozilla Thunderbird installed last month.

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