Business Insider asked an etiquette expert what employees should avoid doing when sending an email. When writing an email, it's best practice to include both an appropriate greeting and a closing.

The first rule of group texting? Know who to include and who not to include. If you’re not totally sure someone would like being in a group text, ask them first. “Check in to see if everyone in the ...

According to etiquette experts, you should always write thank-you notes after staying in someone's home or receiving a gift ...