Message classes - IPM.* vs IPF.*? RRS feed

  • Question

  • I'm trying to create a folder through EWS on an Exchange mailbox that uses a custom message class (so that it picks up my custom form). 

    When I tried to run this code, it failed:


    folder = new Folder(_service);

    folder.DisplayName =

    "Custom Folder";

    folder.FolderClass =



    Then I found this post: http://msdn.microsoft.com/en-us/library/dd633637(v=exchg.80).aspx 

    It uses a FolderClass of "IPF.*" and that code works...

    What's the difference between using IPM.* and IPF.*?  Because all of the contacts I've been creating have used a message class of IPM.Contact.CMContact and it's worked just fine, but creating a folder with IPM.Contact.CMContact doesn't work...

    • Edited by JasonWilkerson Wednesday, August 17, 2011 2:30 PM formatting
    Wednesday, August 17, 2011 2:29 PM

All replies

  • Basically, what I'd like to do is, when a user creates a new contact in this folder manually, I want it to pick up my custom form rather than the default form.  Is this the proper way to do this?
    Wednesday, August 17, 2011 2:49 PM
  • Bump?

    Anyone have any tips?

    Thursday, August 18, 2011 12:20 PM
  • No one has ever needed or tried to do this before?
    Wednesday, August 24, 2011 5:56 PM
  • Well, seven years have passed, but I also want to know what's the difference between using IPM.* and IPF.*



    Thursday, February 8, 2018 6:39 PM