Sub Size_Listbox()
'Modified 1/29/2019 2:57:43 PM EST
Dim ans As Long
Dim MySheet As String
MySheet = "Excel" ' Modify this sheet name List boxes in this sheet will be sized.
Sheets(MySheet).Activate
ans = InputBox("What width do you want all litboxes", "I suggest 100", "100")
For Each OLEobj In Sheets(MySheet).OLEObjects
If OLEobj.progID = "Forms.ListBox.1" Then
With OLEobj
.Width = ans
End With
End If
Next OLEobj
End Sub