How to Open a PDF File With Yahoo Mail. The Portable Document Format makes it possible for you to open and view documents, no matter what operating system, software or computer you have.

This guide will cover how to open PDF files in your e-mail and files that are stored on your computer. Before opening the file, download the Adobe Reader app from the app store.

Ubuntu's Gnome-based graphical user interface lets you open and view business documents saved in the PDF format using the Nautilus file manager and a few mouse clicks. Since Ubuntu is a Linux ...