Microsoft Windows 10 How to Convert Excel to PDF with Mac and PC To convert a worksheet to PDF on Mac, save the spreadsheet to iCloud Drive or File Vault, right click and select PDF Format. To convert a worksheet to PDF on Windows, go to the Print Scaling section, right click and select PDF Format. The first option in the page layout page is Fit to page. You can set the dimensions manually or by picking a preset size. For example, in the second preset, 1 page will fit on a 32×56 pixel page, and you might want to resize to 64×96 pixels. If you resize the sheet, you'll always use a new one. However, if you save all your data in one document (by saving as a single Excel file), all your data will be in the same size, and you won't have to resize it later when saving as PDF. You can choose to fit at a specific size in the Page Layout option in Excel.