try this
Sub deleledupsinpreviousrows()
For i = Cells(Rows.Count, "a").End(xlUp).Row To 2 Step -1
If Cells(i - 1, 1) = Cells(i, 1) Then Rows(i - 1).Delete
Next
End Sub

Signature
Don Guillett
SalesAid Software
dguillett1@austin.rr.com
>I have a column in a spreadsheet with repeated values for e.g a name which
> is repeated 5 times I would like to keep the last row containing this
> value
> but delete all previous rows i.e in this example i would like to keep row
> five containing the last occourence of this value and delete all previous
> rows.