The NCOPY command in AutoCAD copies entities that are contained in an xref or a block.
The NCOPY command is available in the free Express Tools for BricsCAD.
Alternatively use the REFEDIT command as a workaround:
- Start the REFEDIT command for the block or XRef which you want to copy.
- Copy the required entities.
- Select the copied entities and choose "Remove from Refedit' in Refedit toolbar.
- Choose 'Refclose and discard' in the Refedit toolbar to exit command.
To copy entities contained in a block: