Sub BreakLinks()
Dim ExternalLinks As Variant
Dim wb As Workbook
Dim x As Long
Set wb = ActiveWorkbook
ExternalLinks = wb.LinkSources(Type:=xlLinkTypeExcelLinks)
For x = 1 To UBound(ExternalLinks)
wb.BreakLink Name:=ExternalLinks(x), Type:=xlLinkTypeExcelLinks
Next x
Msgbox "Done"
End Sub