Mozilla Thunderbird 159.0 for Mac
Mac UtilitiesMozilla Thunderbird is a free and open source email program for Mac, maintained by the Thunderbird project within the Mozilla family. It brings your mail, calendar and contacts into one app, works with accounts from many providers, and keeps your data on your own machine. It suits people who want a capable desktop inbox without handing their mail to a web service.
Key Features
- One inbox view for several email accounts, with folders and powerful search
- Built in calendar and contact book that work alongside your mail
- Support for add ons that extend the app with new tools and themes
- Privacy controls for remote content, plus support for OpenPGP message encryption
- RSS reading, chat and newsgroups gathered in the same window as your mail
- Automatic updates that bring security fixes as new versions are released
How to Download
- Use the download button on this page to get the Mac version, or Download from the official site.
- Open the downloaded file and move Thunderbird into your Applications folder.
- Launch the app and add your first email account with the guided setup.
System Requirements
Mozilla lists macOS 10.15 or later among the supported systems for current Thunderbird desktop releases.
FAQs
Is Thunderbird free?
Yes. Thunderbird is free and open source, and you can download it from the official site without creating an account.
Can Thunderbird replace the Mail app?
For most people, yes. You add your existing accounts, and Thunderbird handles sending, receiving, organizing and searching your mail from then on.
Does Thunderbird work with Gmail and Microsoft accounts?
Yes. Standard account setup covers major providers, and recent releases improved how Microsoft accounts and their calendars are detected during setup.
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