I have a macro written that fills in for only one cell:
[vba]Sub spread()
'
' spread Macro
'
Windows("Bid List.xlsx").Activate
Range("T2").Select
ActiveCell.FormulaR1C1 = "=RC[-10]-RC[-1]"
Range("T2").Select
[/vba]
But I would like the macro to copy this formula down and fill in for every row that exists. How do I write a general macro to copy this formula down for each row that exists?