A Suggestion Memo To write a memorandum in APA format, write a header, opening, summary or discussion, and closing segment following the general guidelines for business writing. Each segment takes up a certain portion of the memo and includes short headings to clarify the segment. The business memo template format is designed to effectively communicate your message. The above template will speed up memo writing time. If not, use the "MEMO" (or "MEMORANDUM") label and heading shown here to format your memo. Breaking the body of the memo into sections will help guide readers through the document, create clear transitions, and emphasize important facts and recommendations. Periodic Report Memo: A periodic report memo is written after a certain period of time to give an account to the progress that has been made so far. Some organizations have special memo forms or pre -made templates. A memo (short for memorandum) is a short written document that is usually used to communicate within a company or organization. This memo illustrates proper format for Navy memoranda.