All check box formats need a value list. But you don't have to display that value.
Define a value list with one custom value:
Use that value list with your check box format, but resize the field so that only the check box is visible.
Also PhilModJunk, arer you A PhilModJunk or the collective PhilModJunk?
I am the one and only PhilModJunk, When I first joined the forum, I included a reference to my employer as part of my forum name. So Phil is my name and the rest is a "tip of the hat" to my employer--who happens to be a scrap metal dealer.
HA!!!!! Thank you so much for your past and continued support!!