Bonjour,
Sub Fusionner()
Dim ws As Worksheet, n%, nn%
Application.ScreenUpdating = False
Worksheets("JARDIN").Copy after:=Worksheets(Worksheets.Count)
Set ws = ActiveSheet
ws.Name = "Fusion"
nn = ws.Cells(Rows.Count, 1).End(xlUp).Row
With Worksheets("DOLMAR")
n = .Cells(.Rows.Count, 1).End(xlUp).Row
ws.Range("A" & nn + 1).Resize(n - 1, 12).Value = .Range("A2:L" & n).Value
End With
nn = nn + n - 1
ws.Range("A1:L" & nn).RemoveDuplicates 1, xlYes
n = ws.Cells(Rows.Count, 1).End(xlUp).Row
With ws.Range("A1:L" & n).Borders
.LineStyle = xlContinuous: Weight = xlThin
End With
End Sub
Cordialement.