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  1. 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.

  2. Appearance Panel - Layout, Message List, Card View, Table View, …

    Aug 29, 2025 · An overview of the Appearance panel in the Thunderbird app settings including: layout, card and table view, sorting and threading settings

  3. 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 …

  4. 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.

  5. 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, …

  6. 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.

  7. 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 …

  8. 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 …

  9. Customize Firefox using Group Policy (Windows)

    Nov 5, 2024 · Firefox supports setting policies via Active Directory as well as using Local Group Policy.

  10. 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.