Unable to open files with extension .PDF

I would like to inform you that .pdf files cannot be open in Microsoft Word. pdf files extension is a part of Adobe Reader files. You can save files in the form of a .pdf from Office 2007 applications but it is required to have an Adobe Reader installed in your computer to open a .pdf file

You may visit the given link to download Adobe Reader:

http://www.adobe.com/products/acrobat/readstep2.html