Mega Code Archive
To add the chapter number to the page numbers, use heading numbering in your document, set the IncludeChapterNumber property to True,
Sub add()
With ActiveDocument.Sections(1).Headers(wdHeaderFooterPrimary) _
.PageNumbers
.IncludeChapterNumber = True
.ChapterPageSeparator = wdSeparatorEnDash
End With
End Sub