How do you change the paper view from portrait to landscape?
http://help.solidworks.com/2014/English/solidworks/sldworks/hidd_template1.htm
To select a different sheet format in an existing drawing document, right-click in the graphics area and select Properties.
Paul is answering with respect to SW. For SW Composer, look to the Paper Space category in the Document Properties dialog.
-Earl
change your sheet format