Parts of a friendly letter
A greeting used when you do not know the name of recipient
What is "To Whom It May Concern"
You want to let someone know you are not happy about something
What is a complaint letter
Greeting used when you don't know the person's gender
What is greeting using first and last name
You want to express sympathy for something that happened to someone (usually when someone passes away)
What is a condolence (sympathy) letter
A greeting when you only know the company but no one's name within the company
What is greeting by company
You want to let your diary know about your day
What is a diary entry
Greeting when you need to be formal and you have all the information you need.
Dear Mr./ Mrs.
You want to ask your landlord for a grace period extension
What is a business letter
Greeting to someone you know well, like a friend