Microsoft Excel - When ever paste *.xls to folder remane *.xls to name,xls

HI All,

   I need that when ever i paste *.xls file to c:\temp\ the *.xls file auto rename by hello.xls, Will it done by vba or by dos ?

thanks
farrukh

HI james,

Can you please share a example of it how it can be done by OS?

Thanks