Message: Export entire page or spread?
Cause
If you try to export a document as a bitmap when there are no objects in the document, the bitmap is likely to be very large.
What Can I Do?
 If you want to create the 
 bitmap, click Export.
 If you want to create the 
 bitmap, click Export.
 If you do not want to create 
 the bitmap, click Don't Export.
 If you do not want to create 
 the bitmap, click Don't Export.