Knowing what file format to use can make a huge difference. In certain cases you want to use a certain file format to save the work you've done. Different file types are used for different programs and different types of work.
Williams-Sonoma >> sent 12/2012 >> Now Back In Stock >> While some back-in-stock emails are sent by request, Williams-Sonoma sent this one to subscribers who browsed this product and abandoned their site because it was out of stock. They wisely add seasonal secondary messaging to better speak to holiday shoppers. — Tana Babcock, Design Consultant, ExactTarget
Minted | Re: back to school. | Minted, an online store for custom stationary and art, stands out in the inbox with a unique Back to School subject line. The use of lists in email is always a favored design tactic but is even more relevant during this time of year. Minted also proves to be a valuable resource to subscribers by using email to share great ideas, not just product. | Lauryl Kitson, Marketing Consultant