In
the Save dialog, set the file type filter to AutoCAD Drawing
(*.dwg;*.dxf), browse to a target directory, enter a name for the file,
and then click Save.
You have just modified the original AutoCAD file and appended Visio
shapes to it. You can now send it to AutoCAD users, and they will be
able
to
open it and work with it. You can try re-importing it to see how it
looks, or if you know someone with AutoCAD on their PC, try sending
them the file.