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 ...

Back in 1992, Adobe created the Portable Document Format file, now commonly known as the PDF and used to distribute everything from digital business documents to e-books. This Adobe file type isn't ...

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 ...

Create a pdf that has its pages rotated 90 degrees. I used the qpdf command "qpdf input.pdf --rotate=+90:1-z output.pdf" to do so. Open the pdf in the viewer, add a highlight annotation anywhere. Save ...