Добрый день!
Примерно по такой логике:
' открыты обе книги
' Set rgCopy = wb1.Sheets(1).Range(Cells(8, 1), Cells(65, 13))
' rgCopy.Copy Destination:=wb2.Sheets(1).Range("A8:M65")
Application.CutCopyMode = False
Dim wb1 As Workbook
Set wb1 = ActiveWorkbook
Dim wb2 As Workbook
Set wb2 = Workbooks("C:\Users\DataFile.xlsm")
wb1.Activate
wb1.Sheets(1).Range(Cells(8, 1), Cells(65, 13)).Copy
wb2.Activate
wb2.Sheets(1).Range("A8").Select
Selection.Paste
Application.CutCopyMode = True