How To Attach an Email
Gmail - A tutorial on 'Adding Attachments,' provided by Gmail.
Yahoo - A tutorial on 'Attaching Files,' provided by Yahoo.
Hotmail - 'How to Send a File Attachment with Windows Live Hotmail,' provided by About.com.
Resource Links
How to attach a file to an email - A useful guide for a variety of email services.
How the Internet Works - A free download from MakeUseOf.com. Also, check out this infographic.
Study Skills for Students - This site has a lot of information to help you become a successful student!