Bonjour,
Avec la somme de chaque cellule indiquée en colonne B :
Sub Test()
Dim Cel As Range
Dim T
Dim i As Integer
Dim S As Double
With Worksheets("MPDTasks")
For Each Cel In .Range("A2", .Range("A" & Rows.Count).End(xlUp))
T = Split(Cel, Chr(10))
For i = 0 To UBound(T)
If T(i) <> "" Then S = S + Replace(T(i), ".", ",")
Next i
Cel.Offset(, 1) = S
S = 0
Next Cel
End With
End Sub
A+