How do you convey a formal tone?
Formal Writing Voice
Do not use first-person pronouns ("I," "me," "my," "we," "us," etc.). ...
Avoid addressing readers as "you." ...
Avoid the use of contractions. ...
Avoid colloquialism and slang expressions. ...
Avoid nonstandard diction. ...
Avoid abbreviated versions of words. ...
Avoid the overuse of short and simple sentences.