The language of business correspondence

English of business correspondence possesses some important qualities, common for formal style of English as well.
The language of business correspondence is very bookish and remarkable for the usage of larger and more exact vocabulary in comparison with informal style of communication. Sentences in documents are longer and their clauses are grammatically fitted together more carefully that means a lot of practice for a person who draws up a document. Formal business correspondence should be more impersonal. It should not emphasize the individuality of the writer, taking into account the personal qualities of people who are going to make use of it.
One more problem is that formal English lacks force and vividness...