2. Select the PPT where the master is located, and right-click to select Copy;
3. According to the operation mode of step 1, open another PPT main editing mode, right-click anywhere on the left menu bar and select Paste;
4. At this point, you can see that the master has been pasted. Click to close master view and enter slide editing mode.
5. Select the PPT whose format you want to change, right-click the format and select the copied format from the menu.