This seems to me to be an obvious feature that would be built in - so I think I am just missing something.  I have a 12 page schematic that is saved in AutoCAD as one page per AutoCAD file.   What I am trying to do is take first AutoCAD file/page, open it in DraftSight, and then import or “add” the second AutoCAD file (i.e. the 2nd page of the schematic) to the first page as a second 'sheet' in DraftSight; then add the third CAD file/page as a third sheet etc. The end result I am looking for is to have all 12 AutoCAD files in one DraftSight DXF file with each page as a separate sheet within that one “big” .dxf file.