Refer to the following method, for example, in Word, all pages are vertical, assuming that the third page is set to horizontal:

1. Position the cursor in front of the top line of the third page, and confirm the page layout-Page Setup in the lower right corner of the function expansion arrow-Paper orientation: landscape orientation, applied after the insertion point-all pages after the insertion point will become landscape orientation.

2. According to the above method, reset the page behind the fourth page to portrait. (Position the cursor in front of the first line of the fourth page, page layout-function expansion arrow in the lower right corner of page setup-paper direction: portrait, applied after the insertion point-OK. )