Changing the Target of Xref from Local to External

You can change the target of an xref from local to external.

This can be done one of these ways:

Change the target of an xref from local to external in an existing document.

You can change the target of an xref from local to external choosing the new target from existing documents.
Change the target of an xref from local to newly-created external.

You can change the target of an xref from local to newly-created external.