https://forums.autodesk.com/t5/autocad-forum/only-reference-specific-layers/m-p/5601205#M332384 <P>If you set INDEXCTL to 3 in your XREF drawings, then the memory used in the target drawing will be reduced to take into account any clipping and frozen layers that you set in the target drawing. &nbsp;the filesize of the XREF will increase slightly, but should load faster as only the required layers and spatial area will be loaded into the target drwing.</P> <P>&nbsp;</P> <P>To bring in LAYERS only, you'd need Map3D and then query in the layers from the source drawing.</P> Tue, 21 Apr 2015 13:08:59 GMT jggerth 2015-04-21T13:08:59Z