Bonjour
Un essai à tester. Te convient-il ?
Option Explicit
Dim tablo, tabloR(), f3 As Worksheet
Dim i&, j&, k&, n&, nb&, d&, f&, derln&
Sub Fractionner()
tablo = Range("A1:J" & Range("A" & Rows.Count).End(xlUp).Row)
Set f3 = Sheets("Feuil3")
k = 0
For i = 1 To UBound(tablo, 1)
nb = UBound(Split(tablo(i, 8), Chr(10)))
For n = 0 To nb
ReDim Preserve tabloR(1 To 10, 1 To nb + 1 + k)
For j = 1 To 10
On Error Resume Next
tabloR(j, 1 + n + k) = Split(tablo(i, j), Chr(10))(n)
Next j
Next n
k = k + nb + 1
Next i
f3.Cells.Clear
f3.Range("A1").Resize(UBound(tabloR, 2), UBound(tablo, 2)) = Application.Transpose(tabloR)
d = 1
derln = f3.Range("H" & Rows.Count).End(xlUp).Row
For i = 1 To f3.Range("H" & Rows.Count).End(xlUp).Row
If (f3.Range("A" & i) <> "" And i <> d) Or i = derln Then
f = i - 1
For j = 1 To 10
If j <> 8 Then
With f3.Range(f3.Cells(d, j), f3.Cells(f, j))
.HorizontalAlignment = xlCenter
.VerticalAlignment = xlCenter
.Merge
End With
End If
Next j
d = i
End If
Next i
f3.Activate
End Sub
Bye