Email etiquette refers to the set of rules and principles governing the proper conduct of email communication. It involves using appropriate language, tone, and format to convey a message effectively and professionally. Having good email etiquette is important because it enhances communication, promotes professionalism, and avoids misunderstandings or conflicts. When emails are composed with proper etiquette, they convey a sense of respect, consideration, and efficiency, which can lead to improved relationships and productivity.

Some examples of proper email etiquette include addressing the recipient appropriately, using a clear and concise subject line, starting with a greeting, being concise and to the point, using appropriate language and tone, avoiding typos and grammatical errors, and ending with a closing remark.

Here are some best practices for email etiquette:

• Use a professional email address
• Write clear subject lines
• Maintain a professional tone
• Use proper grammar and punctuation
• Keep the email concise and to the point
• Avoid using excessive abbreviations or unfamiliar email jargon
• Avoid sharing controversial topics or confidential information
• Check your attachments and formatting
• Use a standard font and formatting
• Avoid using a "no-reply" email address

Maintaining good email etiquette is important because it communicates respect for the people you email, and it represents consideration for others. Through email etiquette, you communicate your professionalism as well as your company’s professionalism, if applicable. In a recipient’s inbox, this can make you and your company stand out positively.