Text fields are sorted alphabetically, number fields are sorted by number.
Choose Data - Sort Descending
On Standard bar, click
Data of the currently selected field are always sorted. A field is always selected as soon as you place the cursor in the field. To sort within tables, you can also click the corresponding column header.
To sort more than one data field, choose Data - Sort, then choose the Sort Criteria tab, where you can combine several sort criteria.