Bonjour,
Une première réponse.
Cdlt.
Option Explicit
Public Sub BreakExternalLinks()
Dim wb As Workbook, vLinks As Variant, i As Long
Set wb = ActiveWorkbook
vLinks = wb.LinkSources(Type:=xlLinkTypeExcelLinks)
If IsEmpty(vLinks) = False Then
For i = 1 To UBound(vLinks)
wb.BreakLink Name:=vLinks(i), Type:=xlLinkTypeExcelLinks
Next i
End If
End Sub