Writing an email to a colleague, boss or client requires care and finesse. Here are our tips for writing concise and clear professional emails. 4. Lack of attention to detail. By not using proper grammar, spelling, punctuation, or capitalization, your emails can seem lazy and like you're not interested. Always pay attention to the small details of your message to make sure you come across as friendly and professional. 5. You should never use colloquial greetings like “Hey guys,” “Hi,” or “Yo” in business emails. Bonus Explainer: To explore more email greetings, read our explainer: Email Greetings: The Best Formal and Informal Email, Identify the purpose and intended audience of your email. This will help you determine the best format, content and tone of your message. ️ Plan your email by determining its purpose and audience. Consider the length of your email, what you're trying to say, and who you're speaking to. Start your email by properly addressing the recipient. If you are addressing just one person, use their full name or last name with the appropriate honorific. If you're emailing a group of people, use a greeting like "Dear Team." Because a professional tone is key to any formal email, stick to professional greetings. Sincerely. The second email signature widely used to close formal emails is “Best Regards”. Use case: It works great as an end line for business emails and is ideal for initial email communications. Variations: Sincerely, Sincerely, Sincerely, Sincerely.