1 Introduction
The Outlook Item (.msg) File Format is used to format a Message object, such as an e-mail message, an appointment, a contact, a task, and so on, for storage in the file system.
Sections 1.7 and 2 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. All other sections and examples in this specification are informative.