Sub Test_Nombre_OOh()
Dim sh As Worksheet
N = 0
'On Error Resume Next
Application.ScreenUpdating = False
For Each sh In ActiveWorkbook.Sheets
With sh
Set trouve = .Cells.Find("00h")
If Not trouve Is Nothing Then N = N + 1
End With
Next sh
Application.ScreenUpdating = True
MsgBox N
End Sub