excel合并多个sheet内容

Sub 合并()
Application.ScreenUpdating = False
For j = 1 To Sheets.Count
    If Sheets(j).Name <> ActiveSheet.Name Then
        X = Range("A65536").End(xlUp).Row + 1
        Sheets(j).UsedRange.Copy Cells(X, 1)
    End If
Next
Range("B1").Select
Application.ScreenUpdating = True
MsgBox "合并完成", vbInformation, "提示"
End Sub