Rich text is a Microsoft invention, which is only used purely in Microsoft-based networks. Both Outlook and Exchange support rich text encoding, but many other e-mail clients do not. If rich text is not supported by the client the formatting will default back to plaintext and remove any formatting. Rich text offers some formatting features, but generally offers nothing more than what HTML encoding offers.
Since more people support HTML-encoded messages than rich text, this encoding style is rarely used. It makes me wonder why Microsoft even consider inventing something that no one uses. All of my emails are either in plaintext or HTML.
Saw a couple of searches coming into my site looking for Cakephp generateList. As you can see from the 
Let’s say you have two text files that are pretty similar in content and you want to find out what the differences are between those two. You can easily do so using 
Here’s a great article that outlines the difference between font types and some general advice on which to use for web designs, copy and printing which I’ve found on 