Tag Archives: Windows 10 Taskbar Thumbnail Threshold

Change Taskbar Thumbnail Threshold to Show List in Windows 10

Change Taskbar Thumbnail Threshold to Show List in Windows 10

In Windows 10, when you hover over a taskbar button of a running app or group of apps, a thumbnail preview appears on the screen. For a single window it shows a single thumbnail, and for multiple windows it shows a number of thumbnail previews in a row. When the number of open windows reaches the threshold, the taskbar shows open windows as a list instead of thumbnails. Here's how to change the threshold in order to reduce or increase the number of thumbnails to change them to a list.