Thunderbird vs Outlook: Which One is Better?

3 min read

In this digital world, all modern people can’t imagine their daily life without mailing clients because they need them for social media registration, online shopping and communication purposes. You can get peace of mind if you choose one that better meets your business or personal expectations. In this article, I am going to give you a comprehensive overview of Thunderbird vs Outlook. And I hope this guide will help you make your final decision about choosing the best email client.

Mozilla Thunderbird and Microsoft Outlook are both email clients having the same basic functionality with different features. Thunderbird is an open-source cross platform and secure email application that includes an RSS feed reader, multi-account, newsgroup options, unified inbox, and many more. On the other hand, Outlook is also one of the most widely used email applications having task management, journal, web browsing functional properties, group schedular, and contact manager.

Overview: Thunderbird vs Outlook

Mozilla Thunderbird – An Overview

Thunderbird is an open-source fully-featured, and secure email client developed by Mozilla opensource community. It is a powerful and easy-to-use application that is considered one of the best alternatives to Microsoft Outlook. As per the stats shared by Mozilla, Thunderbird is used by 9 million users all over the world. By default, it is available for Linux, but it can be easily configured on Mac and Windows operating systems due to cross-platform. Enter your email and password; the client will find the email server data via auto-discovery.

It has enough functionality, but if you still want to expand it, many add-ons available to get your desired features. However, if you’re going to remain secured, then Thunderbird is the best option. By default, the preview window is displayed under the inbox listing in the center panel. But you have the opportunity to customize all panels, similar to the feature in Outlook. Within the same thunderbird profile, you can configure multiple accounts, including different Google Apps accounts, Yahoo mail, etc.

Pros and Cons of Mozilla Thunderbird


  • Similar to chrome, it allows you to open multiple tabs for navigation
  • You can add different email clients that support SMTP, IMAP and POP3 protocols
  • Supports LDAP email address auto-complete feature
  • Quick archival of unwanted email messages by pressing the “A” button
  • Easy email management, including fast search, filters, tags, views, etc.
  • Offers multiple extensions to expand the functionality
  • High-security protection with spam filters, anti-virus, and firewalls
  • Allows to send heavy files by installing pCloud add-on


  • Subject lines have temporarily missed from the list
  • It can be configured only with an add-on
  • Does not include calendar and task list
  • The interface is like outdated having unpleasant functionality
  • There is no focus on stability and security right now because of the slower development process
  • Some features, including drag/dropping the pictures, etc., does not work on it

Microsoft Outlook – An Overview

Microsoft outlook is a well-reputed email client with many features, including calendar, task tracking, contacts, journal, notes, and web browsing functional properties. It is tightly integrated with other Microsoft products, such as SharePoint, Word, and Exchange platforms. You can send and receive the meeting invitations or share your calendar with other users on your network without any difficulties. You can get a lot of unique features, including the status tracking option of your sent emails and attachment reminders that help make sure you have inserted the attachments while sending the emails.

Unlike Thunderbird, you have to pay for a subscription or purchase it outright. It is one of the significant points while exploring the topic Outlook vs Thunderbird. Moreover, you can also customize your desktop client with several themes and download your favorite themes from the application settings.

Pros and Cons of Microsoft Outlook


  • It has powerful spam filtering and truncates phishing attacks
  • There is no need for external browsers because it automatically searches with the help of Bing
  • Supports IMAP, POP3, MSN, and Hotmail profile in MS Outlook
  • Email attachments can be directly attached using cloud services
  • Emails can be easily filtered with “Clutter.”
  • You can configure complex rules to manage your email messages and automate workflow

Recommended Guide: How to configure a Secure Email Account in outlook.


  • Paid solution
  • Only supports Outlook aliases
  • It is complex to configure
  • Does not allow users to create flags, folders, or rules

Final Words

Keep in mind while understanding Thunderbird vs Outlook, both are widely used based on different requirements. For example, if you prefer an open-source solution that is easy to set up and use, Thunderbird is the best option. Otherwise, choose a secure enterprise email client that integrates with Microsoft Office applications, then Outlook will be your first choice.


10 thoughts on

Thunderbird vs Outlook: Which One is Better?

  • Sai Mithun


    I have been using MS Outlook for years. Quite an professional email platform but I feel it is slightly outdated. I had no experience with Thunderbird. Good to see you comparison between MS Outlook and Thunderbird.

  • Linux distros lover

    is Outlook works on Linux ?

    • David Max

      There is no official Outlook app available for Linux.

  • Jones


    It was a Good read today! I have recently switched over to GSuite for my email campaigns, from MS Outlook. That’s good too.

  • Panghal

    Hi Hanna,
    Thanks for this amazing post. I am using Outlook and it’s too good.

  • Varun Sharma

    Thanks for sharing . I’m using the outlook.

  • Mary Claire

    Hey Hanna

    While I am searching for something at the time I found your blog. I have already done the outlook. at the same time, I had no experience with thunderbird. The article was really so good. In which I got much information about thunderbird
    Best Regards Mary Claire

  • Sara Gates


    I have no idea about it. but now I am refreshed to use which one is best. Thanks for regarding with us. if I have any doubt in it may I ask you with your kind patience?

    Thanks by Sara Gates

  • Achy Uthan

    Thunderbird is da best. Horrible loading times tho. I like the master password feature, no such thing on outlook.

  • Sony Madhu

    Thanks…this helps…I had used outlook in the past and was wondering which to use for my new laptop and for my new business.


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