LazyMAPI

MAPI Properties

MAPI Property: PR_PARENT_ENTRYID
Description: Contains the entry identifier of the folder that contains a folder or message.
Property ID: $0E09
Property type: PT_BINARY
Area: ID properties

Remarks:
This property is computed by message stores for all folders and messages.
For a message store root folder, this property contains the folder's own entry identifier.
PR_PARENT_DISPLAY (PidTagParentDisplay) and this property are not related to each other. They belong to entirely different contexts.