Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.
Learn MoreFirefox offers an Extended Support Release (ESR) based on a regular release of Firefox for desktop for use by organizations. Learn more.
How to choose between rapid release and extended support release (ESR).
Learn how to set up certificate authorities (CAs) for your organization in Firefox for Enterprise.
Add-ons and older versions of Firefox ESR may enable your users to run legacy add-ons and view websites that require Internet Explorer.