A family of Microsoft products that enable users to capture, organize, and reuse notes electronically.
How to make PDFs that are landscape-oriented display straight/properly in OneNote without downloading any software:
1. Open up any PDF file viewer (e.g. Adobe Acrobat Reader DC); even works with Internet Explorer
2. Open the Print window (ctrl + P)
3. Under 'pages per sheet', select 'Custom...' --> 1 by 2
4. Orientation: select 'Portrait'
5. Microsoft 'Print to PDF' --> Save file with this 1 by 2 print layout
6. Use 'Insert' --> 'File Printout' option in OneNote
7. Zoom in
Works especially well with lecture slides: