Compress
the Picture
The graphics and images that you included in this flier
may be wonderful, high resolution images that print well. Before you
email this to everyone in your Contacts list, you should Compress the
Picture to make the image size smaller, easier to E-mail.
Try It: Compress the Picture
Select the sample picture.
Go to
Picture Tools
-> Format.
Select: Compress Pictures.

Compression Settings: Click on the Options
button and you can choose the best settings. In this example, E-mail
compression reduces the image size to less than half of the size of the
print output.