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.
How to install Firefox on Windows | Firefox Help
Oct 7, 2025 · This article explains how to install Firefox on Windows, either with a simple online installer from Mozilla or from the Microsoft Store. If you need a full, offline installer with custom options, see …
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.
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.
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 downloaded PDF …
Thunderbird and Gmail | Thunderbird Help - Mozilla Support
Oct 23, 2025 · Thunderbird can be set up to work seamlessly with Google's Gmail. Messages will be synchronized between your local version of Thunderbird and web-based Gmail.
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 a single file, …
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 information, see Import …
Customize Firefox using Group Policy (Windows)
Nov 5, 2024 · Firefox supports setting policies via Active Directory as well as using Local Group Policy.
Manage Firefox search settings | Firefox Help - Mozilla Support
Sep 22, 2025 · Learn how to change search settings in Firefox, such as your default search engine and whether or not search suggestions are displayed.