https://forums.autodesk.com/t5/autocad-forum/using-blocks-in-2-different-drawings/m-p/5533321#M338056 <P>the great thing about AutoCAD for Mac and AutoCAD for Windows is that both files are fully compatible with each other. What you create in one can be used by the other, in either direction.</P> Mon, 09 Mar 2015 13:52:45 GMT BrianBenton 2015-03-09T13:52:45Z