Official correspondence refers to formal communication between organizations, government entities, or individuals. It often includes letters, memos, and reports that adhere to specific formats and protocols, ensuring clarity and professionalism in the exchange of information. This type of correspondence is crucial in maintaining records and facilitating decision-making processes. It serves as a legal document in many cases, providing evidence of agreements or communications. Examples include government letters, business proposals, and legal notices, all of which require careful attention to detail and adherence to established guidelines.