1. Insert section break between sections with different page numbers. Click the "Delimiter" command in the Insert menu, and select a type under "section break Type", where "Next Page": insert a section break, and a new section will start from the next page; "Continuous": insert section break, and the new section starts from the same page; "Odd Page" or "Even Page": Insert section break, and the new section will start from the next odd page or even page. You can display the inserted "section break" in the document by switching the "Show/Hide Edit Markup" button on the toolbar; Delete "section break": select the section break object and press the delete key;

2. Click Page Number on the Insert menu to set the position, alignment and format of the page number. You can choose different page number formats between different sections to arrange the page numbers from the beginning.

3. delete page number: double-click to select a page number, select the frame around the page number at the same time, and press the delete key;

4. Change the page number format: click a section or select multiple sections to change the page number, and then click Page Number on the Insert menu to select the required page number format.