How do you write that you are upset?

How to write an angry email professionally

1. Give yourself time to calm down. Before you start writing your email, give yourself some time to calm down.
2. Create a rough draft.
3. Make your main point clear.
4. Focus on the facts.
5. Be empathetic.
6. Provide a suggestion.
7. Be open to having a conversation.
8. Use a kind and professional closing.

How do you express upset in words?

Or you might label your anger with some more nuanced words, like: I feel disappointed, unimportant, hurt, forgotten, left in a lurch, bugged, unconsidered, fuming and miffed. These words provide the springboard for what action you should take.