to open the first workbook
Workbooks.Open Filename:= _
"C:\Book1.xls"
to select a column
then copy it
Columns("C:C").Select
Selection.Copy
then open the other workbook
same as before
then select the sheet and the columns
Sheets("Sheet2").Select
Columns("C:C").Select
then paste
ActiveSheet.Paste
Application.CutCopyMode = False
then save the destination workbook
and close both files
ActiveWorkbook.Save
ActiveWindow.Close
ActiveWindow.Close