LazyMAPI

MAPI Properties

MAPI Property: PR_CONTAINER_CLASS, PR_CONTAINER_CLASS_A, PR_CONTAINER_CLASS_W
Description: Contains a text string describing the type of a folder. Although this property is generally ignored, versions of Microsoft® Exchange Server prior to Exchange Server 2003 Mailbox Manager expect this property to be present.
Property ID: $3613
Property type: PT_STRING8, PT_UNICODE
Area: Container
Remarks:

These properties are not normally used by Exchange Server. However, Microsoft Office Outlook® attaches them to mailbox folders. In addition, versions of Exchange Server prior to Exchange Server 2003 Mailbox Manager might incorrectly handle folders that do not have these properties.

These properties can be assigned the string values in the following table.

Value Contents of Folder

IPF.Appointment

Appointments

IPF.Contact

Contacts

IPF.Journal

Outlook Journal entries

IPF.Note

Mail Messages and notes

IPF.StickyNote

Outlook Sticky Notes

IPF.Task

Outlook Tasks

For folders that contain mail messages, these properties should be set to IPF.Note.