to prevent unauthorized VBA macros from running automatically. The .NET Migration : Most experts from Autodesk Community recommend migrating these old routines to the
: As of January 31, 2014, Autodesk lost the legal authorization to distribute VBA 6 or earlier. This suddenly made the AutoCAD 2013 VBA module a "rare" piece of software that could no longer be officially downloaded from the Autodesk VBA Download Page The Transition Point autocad 2013 vba module 64-bit
The VBA engine that ran in AutoCAD 2008 was a 32-bit engine. It cannot natively communicate with a 64-bit host application (AutoCAD 2013 64-bit) without a translation layer or a compatible module. The acts as this bridge. It installs a version of the VBA runtime that can operate within the 64-bit AutoCAD environment, allowing your legacy code to execute. It cannot natively communicate with a 64-bit host
