You can attach an entire drawing to the current drawing as a referenced drawing (xref). With xrefs, changes made in the referenced drawing are reflected in the current drawing.
With the Microsoft Windows OLE feature, you can copy or move information from one application to another while retaining the ability to edit the information in the original application.
You can work with many different types of files, including files created with other applications and files created in earlier releases of the program. You can also specify search paths for drawing and support files.
You can extract property data from objects in drawings and export the output to a table or to an external file.
You can associate, or link, data stored in external databases with graphical objects in a drawing.