Try

SET NULLDISPLAY TO 'null'

Then try it.

>I can REPLACE TEST WITH .NULL.
>
>?empty(SET('nulldisplay'))
>
>returns .T.
>SET NULLDISPLAY TO and trying again had no effect.
>
>I should be able to enter ctrl+0 and tab out of the field and it should show the null, right? I am doing a browse from the command line.
>
>>>I am trying to enter a null value interactively into a field with CTRL+0. Any reason why it would not work?
>>
>>Is the field set to allow null. Perhaps it is entering and you can't set it. What do you have SET NULLDISPLAY set to?
>>
>>BOb