Autodesk has officially designated VBA as a "Legacy" technology. While the module is available for AutoCAD 2015, no new features are being added to the VBA API.
To write code that works in both 32-bit and 64-bit VBA environments, you must use conditional compilation. autocad 2015 vba module 64-bit
: Specifically designed for 64-bit Windows environments running AutoCAD 2015. Autodesk has officially designated VBA as a "Legacy"
Autodesk Subscription Center or Autodesk Knowledge Network . (Always download from official channels to avoid malware.) autocad 2015 vba module 64-bit
Visual Basic for Applications (VBA) served as the primary customization and automation language for AutoCAD for nearly two decades. However, Microsoft ceased further development of VBA around 2007, leading Autodesk to transition towards .NET API and Microsoft Visual Studio as the primary development platform.