Email has come a long way from simply being the electronic equivalent of a letter - an estimated 330 billion emails are sent every single day. So getting your email opened, read, and acted on is not an easy task.

In many scenarios, casual language and loose formatting are fine, and even emojis have slipped into the email lexicon. However, certain occasions call for a more formal structure and knowing how to format an email to suit this purpose is crucial.

This guide will teach you the rigid structure to follow when crafting a formal email. We'll also discuss formatting for two other kinds of emails crucial in the modern business world: marketing emails and those sent for cold sales outreach.