Clicking the File | Close command, right-clicking on a document tab and selecting Close, or clicking the X next to the tab name closes the active window. If you have not saved the current changes, you are prompted to save changes before the window closes.
Specify if you would like changes saved in the Surfer dialog.
Click Yes to save changes and then close the window. If the file has not been previously saved the Save As dialog appears.
Click No to close the document without saving changes.
Click Cancel to return to the active document window.
File menu commands