Margins within the graph area. 
 Click the Set Graph Area 
 button on the Graph 
 Tools toolbar to adjust the space between the edge of the plotting 
 area (i.e., the borders of the graph window) and any graph components 
 or custom graphic objects. This can be accomplished by clicking the 
 button and either 
 1) dragging the resizing squares that appear around the edges of the graph 
 window or 2) drawing a rectangle in the place where you want the graph 
 to be.
Note that you can also adjust margins on the Document 
 Size and Scaling dialog (accessible by clicking the Adjust 
 the Graph Actual Size/Scaling 
 button).
Printout margins. The printout margins (the width of the distance between the edge of the paper and the beginning of the graph area) can be adjusted in the Print Preview dialog (accessed from the File menu).