They're typically opened with Adobe Acrobat or as read-only files in Adobe Reader. Adobe Acrobat includes functionality to remove pages from a PDF document and save them as a separate file.

I have a Canon MP530 with an auto-document feeder. I've got a couple of magazine articles I'd like to scan to PDF and save for posterity.

Microsoft Edge makes it easy to save web pages as PDF documents, and in this guide, you'll learn the steps to complete the task.

If you ever find yourself with the need to combine several PDFs into one single file, you may be immediately frustrated: It's not immediately obvious how to achieve what you're trying to do ...