Overview of Referenced Drawings (Xrefs)

You can attach an entire drawing to the current drawing as a referenced drawing (xref). With xrefs, changes made in the referenced drawing are reflected in the current drawing. Attached xrefs are linked to, but not actually inserted in, another drawing. Therefore, with xrefs you can build drawings without significantly increasing the drawing file size.

By using referenced drawings, you can

NoteLike a block reference, an xref appears in the current drawing as a single object. However, you cannot explode an xref without binding it first.
See Also