Code:
Sub STEP10()
Dim Wb1 As Workbook, Wb2 As Workbook, WB3 As Workbook
Dim Ws1 As Worksheet, Ws2 As Worksheet, WS3 As Worksheet
Dim WSM As Worksheet
Dim MaxData1 As Long, MaxCol3 As Long, I As Long
Dim FPath As String, sFile1 As String
Dim Rng As Range
Dim bCloseExit As Boolean


With Application
    .EnableEvents = False
    .ScreenUpdating = False
    .DisplayAlerts = False
End With


For I = 1 To 3
    
    Select Case I
        Case 1
            On Error Resume Next
            Set Wb1 = Workbooks.Open("C:UsersWolfieeeStyleDesktop1.xls")
            If Err  0 Then
               
                bCloseExit = True
            Else
                On Error GoTo 0
                Set Ws1 = Wb1.ActiveSheet
                sFile1 = Wb1.FullName
            End If
        Case 2
            On Error Resume Next
            Set Wb2 = Workbooks.Open("C:UsersWolfieeeStyleDesktopAlert..csv")
            If Err  0 Then
                
                bCloseExit = True
            Else
                On Error GoTo 0
                Set Ws2 = Wb2.ActiveSheet
            End If
        Case 3
            On Error Resume Next
            Set WB3 = Workbooks.Open("C:UsersWolfieeeStyleDesktopFilesAlertCodes.xlsx")
            If Err  0 Then
                
                bCloseExit = True
            Else
                On Error GoTo 0
                Set WS3 = WB3.Worksheets.Item(3)
            End If
    End Select
    
    If bCloseExit Then
        Wb1.Close savechanges:=False
        Wb2.Close savechanges:=False
        WB3.Close savechanges:=False
        Exit Sub
    End If
Next I

MaxData1 = Ws1.Range("A" & Ws1.Rows.Count).End(xlUp).Row - 1
MaxCol3 = WS3.Cells(1, WS3.Columns.Count).End(xlToLeft).Column
Set Rng = WS3.Range(WS3.Range("A1"), WS3.Cells(1, MaxCol3))
Rng.COPY Ws2.Range("A1")
Ws2.Range(Ws2.Range("A1"), Ws2.Cells(MaxData1, MaxCol3)).FillDown


Wb1.Close savechanges:=False
WB3.Close savechanges:=False
Wb2.SaveAs FileName:=Wb2.FullName, FileFormat:=xlCSV
Wb2.Close
Set Ws1 = Nothing
Set Ws2 = Nothing
Set WS3 = Nothing
Set Wb1 = Nothing
Set Wb2 = Nothing
Set WB3 = Nothing


With Application
    .EnableEvents = True
    .ScreenUpdating = True
    .DisplayAlerts = True
End With





End Sub
This was the Macro Doc Sir