Stacks all open windows one on top of another, with their window titles showing. Try this command if your window is in the outside of your screen. Shows or selects the message window in which you can see the error message or the variable numbers. Shows or selects the message window in which you can see the error message or the variable numbers. Not available because the front window is not a filter window. Shows or selects the Input window, in which you can edit or paste some text. Usully it will be considered as input text for conversion. Shows or selects the Output window, in which you can see some text. Usully it will be considered as output text for conversion. Window menu Use these commands to switch windows, arrange open windows.