Not tried --
Have event of selecting to append records to a sort table that is joined in
your query. The sort table will need an autonumber field to sort on. You
will need to have a delete query run on the sort table on opening the form
(before selecting).

Signature
KARL DEWEY
Build a little - Test a little
> I want the order in which I select values in a multi-valued field to be
> reflected in the order in which they're displayed, rather than being
> displayed in the order in which they appear in the full range of available
> selections such that the 1st item selected is the most important, the last
> value selected is the least important etc.