This handout sets out a short description of one way to put together an office memorandum. A memo's format is typically informal (but still all-business) and public. If readers have a question or problem, they want to know. Once you are in practice, you can adjust the format to your office's requirements. A memo is usually a page or two long, single spaced and left justified. Business materials should be concise and easy to read. Follow these steps to help you write your next business memo: List the purpose of the memo in the introductory paragraph. For example, a memo about organizing a summer picnic for the staff will have a much more cheerful tone than a memorandum informing everyone that the company has to skip raises due to a decrease in business. After that, write the body of your letter to deliver your. The format of a memo follows the general guidelines of business writing.