Ap Style Memo Format. It is a standardized way of writing created and maintained by the associated press, a long standing authority within the news world. Ap style dictates basic rules for grammar and punctuation, as well as specific styles for numbers, spelling, capitalization, abbreviations, acronyms, and much more.
Ap follows two broad rules for capitalization: Formatting the percent sign properly. If you include attachments with the email, mention the attachments within the body of the email to make sure the recipient is aware of the attachment (s).