Bonjour,
Une façon de faire :
Sub DesactiverEnTetes()
For Each Worksheet In ThisWorkbook.Worksheets
Worksheet.Select
ActiveWindow.DisplayHeadings = False
Next
End Sub
Sub ActiverEnTetes()
For Each Worksheet In ThisWorkbook.Worksheets
Worksheet.Select
ActiveWindow.DisplayHeadings = True
Next
End Sub
ric