How to: Change orientation of speaker's notes, handouts, or outline.
Solution:
Select a radio button in the 'Orientation' group, in the 'Slide Setup' dialog box.
1) Select the 'File' menu and select 'Slide Setup...'. (The Slide Setup dialog box appears.)
2) Select the desired radio button from the 'Notes, Handouts, & Outline' list in the 'Orientation' group.
Notes, Handouts, & Outline radio buttons
3) Click 'OK'.