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  1. 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 …

  2. 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 …

  3. Client Challenge - Mozilla Support

    Please check your connection, disable any ad blockers, or try using a different browser.

  4. 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.

  5. How to install Firefox on Windows | Firefox Help - Mozilla Support

    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 …

  6. 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 …

  7. 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.

  8. 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 …

  9. 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.

  10. Customize Firefox using Group Policy (Windows)

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