I tried the iif statement you gave me bu it still does not work:
=IIf([Remark2_Date] = #1/1/2001#, Null, Format([Remark2_Date], "dd/mm/yyyy")).
When I put in the date as 01/01/2001 and then go back to check the field, it should be null. But it continues to show 1/1/2001.
This is being placed...