The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Your organization or Internet Service Provider may offer or require you to use a proxy to connect to the Internet. Learn more.
Learn what pop-up windows are and what settings Firefox has for blocking or allowing them.
Learn how to change the email program that Firefox opens when you click a "mailto" link or use the "Email link" and "Email Image" features.
This article describes how to customize the way you see websites by choosing font styles and colors that will override those used by the websites.
Learn how to add an exception for Pocket in Firefox, to prevent being prompted to log in to Pocket when saving to the site.
This article will describe how Firefox handles downloads for different types of files and how you can change that behavior.
How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.