Измените приведенный ниже код и попробуйте следующее:
Option Explicit
Sub test()
Dim ws As Worksheet, ws145 As Worksheet, ws236 As Worksheet
Dim Lastrow As Long
'Let as assume that data appears in sheet 1
With ThisWorkbook
'Set the results sheets
Set ws145 = .Worksheets("Sheet7")
Set ws236 = .Worksheets("Sheet8")
'Loop sheets
For Each ws In .Worksheets
'Check sheet name
If ws.Name = "Sheet1" Or ws.Name = "Sheet4" Or ws.Name = "Sheet5" Then
Lastrow = ws.cells(ws.Rows.Count, "A").End(xlUp).Row
Lastrow1 = ws145.cells(ws145.Rows.Count, "A").End(xlUp).Row
'Copy Column A from row 1 to Lastrow
ws.Range("A1:A" & Lastrow).Copy ws145.Range("A" & Lastrow1 + 1)
ElseIf ws.Name = "Sheet2" Or ws.Name = "Sheet3" Or ws.Name = "Sheet6" Then
Lastrow = ws.cells(ws.Rows.Count, "A").End(xlUp).Row
Lastrow1 = ws236.cells(ws236.Rows.Count, "A").End(xlUp).Row
'Copy Column A from row 1 to Lastrow
ws.Range("A1:A" & Lastrow).Copy ws236.Range("A" & Lastrow1 + 1)
End If
Next ws
End With
End Sub