ID Typesetting How to Set the Page to Horizontal A4

1. Open the InDesign document and click the Layout button at the top of the interface.

2. Then change "column" into "one column".

3. Then click the paper orientation button to change the paper orientation to portrait.

4. Then click the paper size, and then click A4 in the pop-up drop-down menu.

Then you can see that the content on the right side of the test paper has been added to the bottom of the page. The answer is for reference only.