This closes the current virtual desktop.
There is no default global hotkey to move an app from Desktop 1 to Desktop 2, which remains a top user request. However, there is a workaround involving the Taskbar: keyboard shortcut to switch desktops windows 11
Open the Task View InterfacePress Windows Key + Tab. This opens the Task View, giving you a bird's-eye view of all your open windows and all your active virtual desktops at the bottom of the screen. Why Use Virtual Desktops in Windows 11? This closes the current virtual desktop
Switch to the Previous Desktop (Left)Press Ctrl + Windows Key + Left Arrow. This slides your view back to the virtual desktop to the left. keyboard shortcut to switch desktops windows 11