doPDF is a free program that allows you to convert your documents to PDF format. If you can print the contents of the file, you can also save it to PDF.
doPDF is a program for PDF file that installs itself as a virtual printer. To convert a document to PDF simply print the document and from the list of available printers choose "doPDF".
doPDF supports all the most necessary programs and files for example Microsoft Office: Word (DOC, DOCX, RTF), Power Point (PPT, PPTX) and Excel (XLS, XLSX) or documents from a word processor Writer (ODT) by Open Office.
doPDF it does not need additional programs such as GhostScript, thereby saving time and unnecessary littering the operating system software. doPDF is a very good program to create PDF documents. However, despite the tricky name, it is not a PDF viewer. You can use Adobe Reader or Foxit Reader as PDF viewer.