Adobe Acrobat Free · #5. Preview to PDF · #6. Eases PDF Converter I converted Excel files to PDF, I thought, would be a hassle. But what if, in a short time, I could do the conversion manually, and save it in two or three clicks? Well, this is a good question. The answer is yes, you can. As long as you take steps to save your work in a suitable format, all you need to do is to convert it by one of the methods listed above.