Pinned Tabs - keep favorite websites open and just a click away | Firefox Help
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Pinned Tabs (or App Tabs) allow you to keep your favorite web apps, like Facebook and Gmail, open and just a click away. This article explains how to use them.
  • LFREnglish
    3·
    2 年前

    In case you didn’t know, you can restore windows under History–>Recently closed windows.