Jenny,
If you mean the existing data, you need an Update query. In your query
design grid, in the Update To row of each of the fields that this
applies to, put...
StrConv([FieldName],3)
If you mean new data as it's entered (I notice your Shift key appears to
be broken... is this why you need this?
, the best way is to put code
onthe AfterUpdate event of each applicable control on your data form(s),
like this...
Me.YourField = StrConv(Me.YourField, 3)