Amanda Has Created a Quarterly Report She Must Submit in Support

Essay

Amanda has created a quarterly report she must submit in support of an allergy treatment grant her department received. The report includes several styles. She wants to create a new style to use for the main headings in her report and then save all the styles in a new Quick Style set.
Amanda wants to quickly replace every instance of text formatted with the Heading 1 style in her report with the new Report Heading style. Which Word feature can she use to accomplish this?