Hi Haikuo, This is exactly what I needed... I could swear I have tried this, but kept receiving the "Invalid argument to function INPUT" error message. data begin;   input date $25.;   cards; 2011-01-01 2011-01-02 ; run; data test (drop=date); set begin; date2=input(date,yymmdd10.); format date2 mmddyy10.; put 'new format=' date2; run; LOG: new format=01/01/2011 new format=01/02/201 Thanks! ... View more