bonjour,
une proposition
Sub test()
Dim Lig As Long
Application.ScreenUpdating = False
With Sheets("RENCONTRE") 'A adapter
t = .Range("A3:A" & .Cells(Rows.Count, 1).End(xlUp).Row)
For i = LBound(t) To UBound(t)
s = InStr(t(i, 1), ". ")
If s > 0 Then t(i, 1) = Mid(t(i, 1), s + 2)
t(i, 1) = UCase(t(i, 1))
Next
Range("A3").Resize(UBound(t), 1) = t
End With
End Sub