How-to merge or consolidate many excel worksheets into one

Insert in MS Excel VBA the code below and run. It will combine all worksheets in one called "Combined_worksheet"
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Sub Combine()
'UpdatebyExtendoffice
Dim J As Integer
On Error Resume Next
Sheets(1).Select
Worksheets.Add
Sheets(1).Name = "Combined_worksheet"
Sheets(2).Activate
Range("A1").EntireRow.Select
Selection.Copy Destination:=Sheets(1).Range("A1")
For J = 2 To Sheets.Count
Sheets(J).Activate
Range("A1").Select
Selection.CurrentRegion.Select
Selection.Offset(1, 0).Resize(Selection.Rows.Count - 1).Select
Selection.Copy Destination:=Sheets(1).Range("A65536").End(xlUp)(2)
Next
End Sub

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