You must have missed it:
Before using these procedures, you'll need to set a reference in VBA to the
VBA Extensibility library. In the VBA editor, go to the Tools menu, choose
the References item, and put a check next to "Microsoft Visual Basic For
Applications Extensibility" library. This enables VBA to find the
definitions of these objects.
After you create the reference, go to the object browse and restrict the
search to VBIDE
search on Project
at the bottom you will see
VBE VBE Projects
click on that and hit F1
from help:
Returns the VBProjects collection, which represents all of the projects
currently open in the Visual Basic IDE.
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Regards,
Tom Ogilvy