2.2.4.3.7 folderMessages Element
The folderMessages element contains the messages contained in a folder.
Under conditions specified in section 3.2.5.10, when included in the folderMessages element, the PidTagFolderAssociatedContents ([MS-OXPROPS] section 2.700) and PidTagContainerContents ([MS-OXPROPS] section 2.644) properties MUST be preceded by a MetaTagFXDelProp meta-property (section 2.2.4.1.5.1).