Create a field in your querie with a nested IIF statement. Example: Category:IIF([StartDate]-[Testdate] between 1 and 29,1,IIF([StartDate]-[TestDate] between 30 and 59,2,IIF([StartDate]-[Testdate] between 60 and 89,3,IIF([StartDate]-[Testdate]=90,4,IIF([StartDate]-[TestDate] Is Null,4)))))