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 …
Choose your preferred PDF viewer in Firefox | Firefox Help
Feb 27, 2025 · When Firefox is set as the default PDF viewer, it automatically opens PDF files in the built-in viewer. However, you can choose to use another application to view your …
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.
Keyboard shortcuts - perform common Thunderbird tasks quickly
Sep 16, 2025 · Keyboard shortcuts are quick key combinations that replace mouse navigation. This is a list of commonly used keyboard shortcuts in Thunderbird.
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 …
How to set the home page | Firefox Help - Mozilla Support
Oct 19, 2025 · Learn how to change what page you see when you first start Firefox, click the home button or open a new window.
Set Firefox as your mail-to default on Windows | Firefox Help
Aug 29, 2025 · Learn how to set Firefox as your MAILTO default on Windows and configure it to handle mail links seamlessly.
Add or remove a search engine in Firefox | Firefox Help
Sep 28, 2025 · Firefox comes with a set of default search engines, and you can add more from websites, add-ons, or partner pages. Some users want to add fully custom search engines, but …
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 …