Customize settings and preferences
Legacy browser support extension for Windows
Add-ons and older versions of Firefox ESR may enable your users to run legacy add-ons and view websites that require Internet Explorer.
Last updated: 04/08/2021
Customizing Firefox Using Group Policy (Windows)
Firefox supports setting policies via Active Directory as well as using Local Group Policy.
Last updated: 05/19/2020
Setting Up Certificate Authorities (CAs) in Firefox
Learn how to set up certificate authorities in Firefox Enterprise.
Last updated: 05/29/2023
Customizing Firefox Using policies.json
Cross-platform policy support can be implemented using a JSON file called policies.json.
Last updated: 10/12/2023
Firefox Enterprise Kiosk mode
Kiosk mode locks down Firefox in order to protect the kiosk from users. Learn more.
Last updated: 03/12/2020
Managing Firefox Updates
Learn about automatic updates for Firefox deployments and how to ensure that the latest security patches are applied and all features are available.
Last updated: 05/30/2022
Where can I find a list of policies for Firefox for Enterprise?
Where to find policies for Windows, Mac and Linux.
Last updated: 11/02/2023
Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix
How to fix Firefox drag-and-drop errors when running Windows as Administrator with UAC disabled and the Launcher Process enabled.
Last updated: 07/18/2020
Managing Firefox with Microsoft Endpoint Manager (Intune)
How to manage Firefox Enterprise with Microsoft Endpoint Manager (Intune).
Last updated: 03/06/2021
Customizing Firefox Using AutoConfig
How to use AutoConfig files to set and lock preferences that are not covered by Firefox policies.
Last updated: 01/12/2021
Debugging policy issues
This article will help you figure out problems with policies not applying.
Last updated: 11/01/2023
Managing policies on macOS desktops
Starting with Firefox 64 and Firefox ESR 60.4, Firefox supports configuration files on macOS.
Created: 02/01/2019
Privacy settings in Firefox for Enterprise
How to disable features for minimize information sent to Mozilla.
Last updated: 10/22/2023
Enforcing policies on Firefox for Enterprise
Types of policy engines for Firefox for Enterprise.
Last updated: 07/24/2019
See active policies on Firefox for Enterprise
How to see what policies you have active on a desktop computer.
Last updated: 02/13/2019
Managing policies on Linux desktops
How to manage policies on Linux desktops.
Last updated: 02/08/2019
Will policies I set work if users already installed Firefox?
Policy support for Firefox is implemented using Group Policy.
Created: 02/27/2019
Make Firefox for Enterprise the Default Browser
Learn how to configure the computers in your domain to use Firefox for Enterprise as the default browser.
Last updated: 06/13/2022
DOM events changes introduced in Firefox 66
Firefox 66 introduced DOM events changes for compatibility with legacy content. Learn more.
Last updated: 07/09/2019
Customizing Firefox on MacOS using configuration profiles
On MacOS, Firefox supports customizing policies via a properties list file or .plist file that can be converted to a configuration profile. Learn more.
Created: 10/05/2019
Domains to Allow for Firefox
This document is primarily intended for Firefox Enterprise users. Making sure the domains listed in this article are allowed by your firewall or other software ensures that Firefox works correctly.
Last updated: 10/27/2023
