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Thunderbird description
Thunderbird is a free and open-source email client software known for its focus on privacy and customization. It allows you to manage multiple email accounts, organize emails with tags and filters, and access calendars and contacts. Funded by donations, Thunderbird is part of the Mozilla family and prioritizes user privacy by not collecting data or selling ads. It's available on Windows, Mac, and Linux.
Who is Thunderbird best for
Thunderbird is a free, open-source email client ideal for privacy-conscious users. It offers customizable features, multiple account management, and offline access. Users praise its ease of use and powerful search but note occasional syncing issues and dislike recent UI changes.
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Best for small to medium-sized businesses seeking a free email client.
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Suitable for various industries, especially those prioritizing data privacy and control.
Thunderbird features
| Supported Thunderbird can send, receive, and manage emails. |
| Supported Thunderbird supports basic contact management, which can be extended with add-ons. |
| Supported Thunderbird supports multiple email accounts and a unified inbox. |
| Supported Thunderbird supports rich text formatting, including bold, italics, lists, and images. |
| Supported Thunderbird supports filtering emails based on sender, subject, and other criteria using its message filters. |
| Supported Thunderbird allows customizing fonts for outgoing emails. |
| Supported Thunderbird allows color customization of the interface and Spaces Toolbar, potentially with add-ons. |
We evaluate the sentiment that users express about non-functional aspects of the software
Value and Pricing Transparency
Ease of Use
Reliability and Performance
Ease of Implementation
Thunderbird reviews
We've summarised 361 Thunderbird reviews (Thunderbird TrustPilot reviews and Thunderbird G2 reviews) and summarised the main points below.
- Free and open-source.
- Easy-to-use interface for managing multiple email accounts.
- Powerful search and filtering capabilities.
- Customizable with various add-ons and extensions.
- Stores emails locally for offline access.
- Slow syncing with servers, sometimes taking hours.
- Occasional errors saving sent messages or drafts.
- Email templates with visual elements often don't render correctly.
- No mobile app creates an inconsistent experience across devices.
- Recent UI changes and updates are not well-received by some users.
Thunderbird pricing
The commentary is based on 31 reviews from Thunderbird G2 reviews.
Thunderbird is consistently praised for being a free and open-source email client, making it a cost-effective choice for individuals and businesses. Users appreciate its free features and consider it a viable alternative to paid email clients.
Users sentiment
Thunderbird alternatives
FrontBetter for team collaboration and customer support. More suitable for teams, especially remote or hybrid. Offers shared inbox, chat, social media integration, and automation. Has a steeper learning curve and inconsistent rule application. More expensive.
eM ClientEasier to implement and use. Offers calendar, tasks, and chat integration. A free version is available. Not open-source. Has more momentum based on employee growth.
Microsoft OutlookBetter suited for enterprise companies. A popular Thunderbird competitor known for its integration with the Microsoft ecosystem. Has a paid plan.
Microsoft 365Better for businesses needing extensive office software suite integration. A popular Thunderbird alternative, Microsoft 365 is a better fit for large organizations and those prioritizing online collaboration. It has more momentum in the market. However, note that users dislike the limited storage space and price.
DragBetter for team collaboration within Gmail. More suitable for sales, customer support, and operations teams. Has a paid pricing model. Grows faster than Thunderbird.
Thunderbird FAQ
What is Thunderbird and what does Thunderbird do?
Thunderbird is a free, open-source email client prioritizing privacy and customization. It allows users to manage multiple email accounts, organize emails with filters and tags, and access calendars and contacts. Thunderbird is available for Windows, Mac, and Linux.
How does Thunderbird integrate with other tools?
Thunderbird integrates with various add-ons and extensions, enhancing its functionality. While it lacks direct integration with specific business tools, its open-source nature allows for customization and potential integrations through community-developed add-ons. This flexibility makes Thunderbird adaptable to individual workflows.
What the main competitors of Thunderbird?
Top alternatives to Thunderbird include eM Client, Microsoft Outlook, and BlueMail. These email clients offer similar features like managing multiple accounts and calendar integration. For team collaboration and shared inbox features, consider Front or Drag.
Is Thunderbird legit?
Yes, Thunderbird is a legitimate and safe email client. It's a free, open-source software developed by the Mozilla Foundation, known for its commitment to privacy. Thunderbird is a trusted email platform that doesn't collect user data or display ads.
How much does Thunderbird cost?
Thunderbird is a free and open-source email client, so there is no cost associated with downloading and using the software. It's a worthwhile option for users seeking a robust and free email management solution.
Is Thunderbird customer service good?
Customer support for Thunderbird is limited. While the software is praised for its features and customizability, some users have reported difficulties finding support for technical issues or other questions.
Reviewed by
Michal has worked at startups for many years and writes about topics relating to software selection and IT management. As a former consultant for Bain, a business advisory company, he also knows how to understand needs of any business and find solutions to its problems.
Tymon is a seasoned CTO who loves finding the perfect tools for any task. He recently headed up the tech department at Batmaid, a well-known Swiss company, where he managed about 60 software purchases, including CX, HR, Payroll, Marketing automation and various developer tools.