Adam Woberg

Professional Article Writer

Thunderbird vs Outlook: Which One is Better?

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.

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” buttonEasy 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 firewallsAllows 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


  • 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

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