Share Email Facebook Twitter LinkedIn XREF (Command) Starts the EXTERNALREFERENCES command. Find The External References palette is displayed. If you enter -xref at the Command prompt, options are displayed. Related Concepts About Attaching and Detaching Referenced Drawings (Xrefs)About Archiving Drawings with Xrefs (Binding) Related Reference EXTERNALREFERENCES (Command)Bind Xrefs/DGN Underlays Dialog Box-XREF (Command)Commands for Internet CollaborationCommands for Working With External ReferencesCommands for Improving Performance When Using XrefsCommands for Resolving Xref Errors