The Exchange ActiveSync: Conversations Protocol enables the communication of data between a mobile device and the server in the ActiveSync protocol for e-mail messages that are part of a conversation. It describes an XML-based format that is used to improve the ways in which e-mail messages are triaged when they are displayed in conversation view.
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in RFC 2119. Sections 1.5 and 1.9 are also normative but cannot contain those terms. All other sections and examples in this specification are informative.