Here’s a quick but very useful Preview tip. Have you ever downloaded a PDF brochure that has a mix of portrait and landscape pages? You can use Tools -> Rotate Left (or Rotate Right) to flip the pages ...

If a client emailed you a PDF with a combination of pages in portrait and landscape mode, some pages may display at a 90-degree angle. Adobe Reader lets you rotate the view so you can easily read this ...

Mac only: Got a PDF with some portrait pages and some landscape? With Mac OS X's built-in Preview app, you can rotate a single page within a multi-page document. Hold down the Option key before ...