Best Products Software Show the Windows Taskbar Tab Preview in Firefox Share Pin Email Print Mozilla Software Apps By Scott Orgera Writer Scott Orgera is a former writer who covering tech since 2007. He has 25+ years experience as a programmer and QA leader, and holds several Microsoft certifications. our editorial process Facebook Twitter Scott Orgera Updated December 19, 2019 In newer versions of the operating system, the Windows taskbar provides a great way to preview open applications by simply hovering over their icon, displaying a thumbnail image of the respective program’s active window(s). This can come in very handy, especially when it comes to your browser. If you have several browser windows open, hovering over its icon in the taskbar will cause thumbnails of each open Web page to appear. Unfortunately, there is a limitation here when it comes to open tabs. In most browsers only the active tab within a window appears in the taskbar preview, forcing you to maximize the actual window to view the open tabs. Firefox, however, provides the option to display all open tabs within its preview window. This setting, disabled by default, can be activated in just a few easy steps. This tutorial walks you through the process. This tutorial is only intended for users running the Mozilla Firefox browser on Windows operating systems. First, open your Firefox browser. Click on Firefox's main menu button, located in the upper right-hand corner of your browser window and represented by three horizontal lines. When the drop-down menu appears, select Options. You can also enter the following shortcut into the address bar in place of selecting this menu item: about:preferences. Firefox’s preferences should now be displayed in a new tab. Click on General in the left menu pane, if it is not already selected. The last section on this page, Tabs, contains an option labeled Show tab previews in the Windows taskbar. Accompanied by a checkbox, this setting is disabled by default. To activate taskbar tab previews, place a mark next to this option by clicking on the checkbox once. Now that this feature is activated, it is time to check out Firefox’s tab previews. First, ensure that multiple tabs are open within your browser. Next, hover your mouse cursor over the Firefox icon in your Windows taskbar. At this point a pop-out window will appear, displaying each open tab as a separate thumbnail image.