HOW TO MAKE DIFFERENT PAGE ORIENTATIONS ON SAME DOCUMENT

Highlight the pages or paragraphs that you want to change to portrait or landscape orientation.
On the Page Layout tab, in the Page Setup group, click Margins.
Click Custom Margins at the bottom of the drop down menu.
A Page Setup dialog box will appear.

On the Margins tab, click Portrait or Landscape.
In the Apply to list, click Selected text or This point forward. 

NOTE: If you select some but not all of the text on a page to change to portrait or landscape orientation, Word places the selected text on its own page, and the surrounding text on separate pages.

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