Change:
Dim CCtrl As Word.ContentControl
to:
Dim FmFld As Word.FormField
Change:
strFile = Dir(strFolder & "\*.docx", vbNormal)
to:
strFile = Dir(strFolder & "\*.doc", vbNormal)
Change:
to:For Each CCtrl In .ContentControls … Next
For Each FmFld In ActiveDocument.FormFields j = j + 1 With FmFld Select Case .Type Case Is = wdFieldFormCheckBox WkSht.Cells(i, j).Value = .Checked Case Else WkSht.Cells(i, j).Value = .Result Case Else End Select End With Next