Bonjour,
Un exemple à adapter.
Cdlt.
Public Sub DuplicateData()
Dim lastCol As Long, lastRow As Long, rw As Long, rngData As Range
With ActiveSheet
lastCol = .Cells(1, .Columns.Count).End(xlToLeft).Column
lastRow = .Cells(.Rows.Count, 1).End(xlUp).Row
Set rngData = .Cells(1).Resize(lastRow, lastCol)
For rw = 13 To 130 Step 13
.Cells(rw, 1).Resize(lastRow, lastCol).Value = rngData.Value
Next rw
End With
End Sub