Use the arrow controls to page backward and forward through the document. The arrows with lines move you to the first and last pages, respectively. Use the three page icon buttons to control how big THR East displays on your screen. Most problems can be solved by downloading and installing the latest version of Acrobat Reader for your operating system. My company does not allow me to open e-mail attachments.
Some companies forbid employees to open e-mail attachments because of security concerns.
When I click on the attachment, my computer tells me it doesn't know how to handle that kind of document. Assuming you have Acrobat Reader installed, you just need to tell the computer how you want it to handle incoming PDF files. You should only have to do this once. You can choose to open them directly, within your Web browser, or you can choose to save the file to your computer, where you can click on it to open it separately. Printing at lower resolutions will be faster.