Make Firefox your default browser | Firefox Help - Mozilla Support
May 14, 2024 · How to make Web links open in Firefox automatically by setting it as the default browser on your computer.
Make Firefox your default browser on Windows | Firefox Help
Oct 7, 2025 · Whether you're using Windows 10 or the latest Windows 11, this guide will help you set Firefox as your default browser with minimal fuss. Setting Firefox as your default browser …
Keyboard shortcuts - perform common Thunderbird tasks quickly
Nov 26, 2025 · Keyboard shortcuts are quick key combinations that replace mouse navigation. This is a list of commonly used keyboard shortcuts in Thunderbird.
Mark messages as Read only after I read them - Mozilla Support
Sep 11, 2025 · I can't find a setting that will allow marking messages as read only after I read them. By that I mean only after I click on the message to open it in its own tab. I view the new …
Thunderbird and Junk / Spam Messages | Thunderbird Help
Nov 24, 2025 · To deal with large amounts of unsolicited email ("spam" or "junk mail"), Thunderbird uses an adaptive filter that learns from your actions which types of messages are …
Customize Firefox using Group Policy (Windows)
Nov 5, 2024 · Firefox supports setting policies via Active Directory as well as using Local Group Policy.
Message threading in Thunderbird - keep messages grouped by ...
May 27, 2024 · Threading is a useful way of displaying message list in Thunderbird with your messages grouped in tree structures by conversations. Here's how to enable it.
Cookies - Information that websites store on your computer
Sep 13, 2025 · What is a cookie? A cookie is information stored on your computer by a website you visit. In some browsers, each cookie is a small file but in Firefox, all cookies are stored in …
Manage Firefox with Microsoft Endpoint Manager (Intune)
Mar 29, 2025 · Note: Microsoft has a new feature in preview that makes it much easier to import ADMX templates into Intune. We strongly recommend using it if you can. For more …
Troubleshoot and diagnose Firefox problems - Mozilla Support
Sep 19, 2025 · This article includes a series of steps you can follow, that will help you fix most problems with Firefox.