As to output
As to the exporting, the help file has this info:
Not sure if this fully answers your questionWhen you are saving or exporting a map as a bitmap, JPEG, or MDR file, you will see this dialog box. To see this dialog box, select File menu >> Save As... then select JPEG from the Files of type list.Type in a width in pixels for your map. If you want to keep the same the ratio of the height to width as the current window, then select the Keep Main Window Proportions tick box. If you want to specify a different ratio, uncheck the Keep Main Window Proportions tick box and type in the width you want. The JPEG Image Quality slider controls the size and quality of the exported image.