If the document is printed on both sides of A3 paper and bound in the middle of the page, how to typeset and set the page number?

1. Click "File" in the upper left corner of the Word document and find the "Print" menu item.

2. The print dialog box as shown in the figure pops up, and click the Properties button to enter the setting interface.

3. In the drop-down menu of duplex printing, select "Duplex printing, short edge binding".

4. Check the booklet layout at the layout/watermark position as shown in the figure.

5. Click the "Booklet Making" button, and you can set options such as "Binding Edge", "Intermediate Binding Line" and "Booklet Binding" in the pop-up page. Click Save after the settings are completed.

6. The printed brochure is as follows.