To change the page orientation for the current selection, do the following:
In the Page Setup dialog box, on the Margins tab, click "Landscape," and
then choose "Selected text" for "Apply to."
If you want the whole document in landscape orientation, choose "Whole
document" for "Apply to."
When you are done, click OK.
To open the Page Setup dialog box:
- Click File | Page Setup (Word 97--2003).
- On the Page Layout tab of the ribbon, click the dialog launcher button
(the arrow on the bottom right) of the Page Setup group.