expression.SetSortOrder(SortField1, SortAscending1, SortField2, SortAscending2, SortField3, SortAscending3)
expression Required. An expression that returns one of the objects in the Applies To list.
SortField1 Optional String. The first field on which to sort the mail merge data. Default is an empty string.
SortAscending1 Optional Boolean. True (default) to perform an ascending sort on SortField1 ; False to perform a descending sort.
SortField2 Optional String. The second field on which to sort the mail merge data. Default is an empty string.
SortAscending2 Optional Boolean. True (default) to perform an ascending sort on SortField2 ; False to perform a descending sort.
SortField3 Optional String. The third field on which to sort the mail merge data. Default is an empty string.
SortAscending3 Optional Boolean. True (default) to perform an ascending sort on SortField3 ; False to perform a descending sort.
Example
The following example sorts mail merge data first on ZIP code in descending order, then on last name and first name in ascending order.
ActiveDocument.MailMerge.DataSource.SetSortOrder _
SortField1:="ZIPCode", SortAscending1:=False, _
SortField2:="LastName", SortField3:="FirstName"