Email etiquette is a delicate art, and one that’s important to master, considering the average worker spends 28% of their day checking email. But, when you use poor judgment in an email to your boss, co-worker, or client, you’ve created a digital record of your mistake that could come back to bite you. Another reason why the stakes are high: Emails can be forwarded to anyone; they can even be posted on the Internet for the public to see. While typos are one thing, there are some egregious mistakes people make when writing work emails. These 13 things should never show up in a professional email. ‘Does that make sense?’ This seemingly harmless question can come off as condescending . Instead, if you need to address complex topics in an email, type: “If you have any questions, let’s discuss this on the phone.” ‘Obviously’ Using this word can also make you appear condescending. Also, if something were truly obvious , why would you be sending an email about ...