The format and design of your business letter should focus on making it clear and easy to read. Follow these guidelines: Left-aligned. Align all elements to the left (the default for any word ...

Learn how to write a formal letter and understand how to format it correctly with this BBC Bitesize English writing guide.

Plus, a formal letter format tends to convey a sense of professionalism and attention to detail that simple emails and texts can't match.

In a letter of complaint, include a formal, matter-of-fact summary of what has happened to prompt your complaint, with details such as names, locations and dates if necessary.