Write emails and other messages like you’re sending someone a message by phone. Keep it short, avoid unnecessary additions, be direct.

Don’t

1. “I trust this email finds you well”
2. Introduce yourself. Your name + title should be underneath your message if it’s the first time you message someone
3. Say “e-meet”
4. Start slack messages with “Hi” or sign them off with your name

Do

1. Get to the point right away
2. Be friendly

See also Be concise