Hi Bruce,
This forum support is only available for Crystal Reports 8.5 for Adagio. If you attempting to use anything different, then we cannot assist you.
If you are using Crystal Reports for Adagio, then on the Report menu, the 'Top N/Sort Group Expert' appears about halfway down the list, between 'Change Group Expert' and 'Hierarchical Grouping Options'. It will be grey and inaccessible until a Group has been created (ie a subtotal).
Based on what you posted, it is possible that the 'Group Sort Expert' you mentioned is what is required, provided that you have at least one Group Section defined.
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Regards,
Softrak Tech Support