i want to know how to write a formal letter
You need to provide more information.
What is the subject?
To whom are you writing?
But most importantly, your attempt or best shot at writing the letter.
Originally Posted by Baff
I want to know how to write a formal letter.
Welcome to the forums, Baff.
First you need to how to write a simple sentence with correct capitalisation and punctuation.
Then put your pointer on Resources at the top of the page and click on Letter Writing.
Formal Letter Writing Tips - Articles - UsingEnglish.com