Sub Bouton1_Clic()
Dim i As Integer
For i = 4 To 100 'Sheets.Count
If Range("F" & i) = "" Then GoTo suite
If DateValue(Range("F" & i).Value) = DateValue(Range("F2").Value) Then
MsgBox "Dates identiques " & " - index - " & Range("A" & i)
Else
MsgBox "Dates différentes " & " - index - " & Range("A" & i)
End If
suite:
Next i
End Sub