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 …
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 …
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.
Installation and updates | Firefox Help - Mozilla Support
Sep 25, 2025 · Update Firefox to the latest release Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or …
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 …
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 …
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.
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 …
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.