Extending product function with VBA : Macro projects
  
Macro projects
Other temporary project files can be added to the Sample project, by using the Macro Projects dialog.
1 On the Tools menu, click Macros > Macro Projects.
2 Add or remove project files in the list of available projects.
To disable the AutoExec macros, clear Enable automatic macros.
See also
Adding a new project
Automation of macro projects with VBE
Introduction to extending SA with VBA