To open an existing query to check its definition or to change it, you can:

• select it from the list on the File menu of the last four queries you have saved,

     or

• select the Open command from the File Menu or use this toolbar icon to open the Open Query dialog box.
  
  
  
  This dialog box displays a list of all the existing queries.

• From the list, select the query you wish to open.
• Select OK to open the Query Window for the selected query, otherwise press Cancel to escape.