Question

How to start the body of the letter

Answer 1

You can start the body of a formal letter by writing “This is to inform that (your message)”.

For example, This is to inform that I would like to purchase a set of from the company.

Or you can reply to a letter by mentioning this “In response to your message, I would like to inform (or state) that… (your message)”.

Hope that helps.

Answer 2

For formal

Sender's address
date
receivers adress
subject
salutations (sir or madam)

content

thank you
yours sincerely
abc

For informal
sender's address
recivers name
respect
salutations

content

respect
yours ---
abc