Closing a File Click on the Close File item in the CDA Viewer window File menu to close a file. The CDA Viewer remains active when you close a file. The CDA Viewer closes the current file before opening a new input file. For information related to closing a file, double click on an item from the list of additional topics below. Additional topics: * Overview of the CDA Viewer * Using the CDA Viewer Window * Opening a File * File Menu * Moving Within a File * Quitting from the CDA Viewer