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• Mozilla Sunbird®
• Docs & Extras

• Download FileZilla Client 3.53.1 for Mac OS X.
• Download FileZilla Client 3.53.1 for Mac OS X.
• Download Mozilla Firefox, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!
• Download Mozilla Firefox, a free web browser. Firefox is created by a global not-for-profit dedicated to putting individuals in control online. Get Firefox for Windows, macOS, Linux, Android and iOS today!

Sunbird 0.8

Functions can be added through add-ons, created by third-party developers, of which there is a wide selection, a feature that has attracted many of Firefox's users. Mozilla Firefox is a cross-platform browser, providing support for various versions of Microsoft Windows, Mac OS X, and Linux. Firefox Features. Improved Tabbed Browsing; Spell Checking.

Mozilla-style ease-of-use for your calendar. Sunbird® lets you manage your schedule easily, and store it where you want to.

Older Sunbird releases

We do not recommend using older Sunbird releases, as those may have severe security or dataloss issues. However, interested parties can find links to older releases on the old releases page.

Nightly developer builds

Nightly developer builds for Windows, Mac OS X and Linux are available at ftp.mozilla.org. These builds are in an experimental state and may contain serious bugs, that may cause application crashes or dataloss. We only recommend these builds to people who are interested in developing or testing Sunbird.

Starting with Firefox version 49, Firefox requires Mac OS X 10.9 (Mavericks) or higher. Visit this Apple Support page to find your Mac OS version.

If you're using an outdated version of Firefox on Mac OS X 10.8 (Mountain Lion) or earlier, the only way you can update Firefox to a secure version is to upgrade your Mac OS to a version that Apple supports. Visit this Apple Support page to learn more about upgrading your Mac.

Mozilla Ios

While insecure versions of Firefox will continue to work on OS X 10.8 and earlier, using an up-to-date version of Firefox on a supported version of Mac OS will provide you with the best and safest user experience.