Quick Access is a new feature in Windows 11/10 File Explorer navigation pane. In Windows 8.1 Explorer Navigation Pane, you had Favorites, but now Quick Access seems to have replaced it.

On Windows 10 ... you work with files in the cloud most of the time. The context menu is meant to get you quick access to the most common actions you might need when using File Explorer, and ...

If you want to enable or disable Compact view on Windows 10, follow the below suggestions: To get it started, press the Windows+E keyboard shortcut to launch the File Explorer window directly.