How can x-ref be implied in autoCAD? What are its advantages?

By using xref(External Reference) we can attach an entire drawing(as a reference) in to the current file.

Any changes in the 'Reference File' are reflected in the current file.

Advantages:

Can Insert Layers, Blocks, Dimensional Styles and other properties from Ref drawing to Current File

Easy Coordinate works by different users

A Drawing can be attached as Reference to multiple files

The file size of Current file doesn't increase further

Multiple Drawings can be Attached as a Reference to a single file

At the end of the project, We can merge all the Reference files in to a single file

Disadvantage:

We cannot Explode a reference file without BINDING it to the Current Project