To Bind Xref-dependent Named Objects to the Current Drawing

At the Command prompt, enter XBIND.
In the Xbind dialog box, click the plus (+) sign next to an external reference.
The five types of named object definitions (Block, Dimstyle, Layer, Linetype, and Textstyle) are listed.
Click the plus (+) sign of one of the definition types.
The names of the definition table entries are listed.
Select a named object definition and click Add.
The named object definition is listed under Definitions to Bind.
If necessary, repeat steps 3 and 4.