The Preview box allows you to view the table before completing formatting changes. Select OK to apply the table to your data. To Set this Table as a Default Table: The New Table Quick Style dialogue box will appear.  To Delete a Custom Style:  10  1. Select  Format as Table .  2. Find the custom style located within the  Custom  section  3. Right click on the style, select  Delete . 4. Select any of the table elements to format the table as desired. 1. Select the  Set as default table quick style for this document  option  3. Select  New Table Style  at the bottom of the dropdown menu. 