Do AutoCAD 2004/2005/2006/2007 third-party applications work with AutoCAD 2008 32-bit?
Third-party add-on applications based on Visual LISP® or AutoLISP®, VBA, ActiveX® and ObjectARX® programming languages and developer tools for AutoCAD 2007 are compatible with AutoCAD 2008 32-bit. AutoCAD 2008 is binary compatible with 2007 and has the same DWG file format. Third-party applications for AutoCAD 2004/2005/2006 based on Visual LISP or AutoLISP are also compatible with AutoCAD 2008. Third-party VBA based applications for AutoCAD 2004/2005/2006 are compatible with AutoCAD 2008 32-bit in some cases, but there are instances in which those applications will need to modified. For more details on AutoCAD 2005/2006 VBA-based application compatibility, please refer to www.autodesk.com/developautocad. Third-party applications for AutoCAD 2004/2005/2006 based on ActiveX and ObjectARX will need to be upgraded to be compatible with AutoCAD 2008. Check with your application developer/supplier regarding availability of applications built for AutoCAD 2008. You can find additional details