Access an Email With CDO 1.21

Up to Outlook 2003 the CDO 1.21 library offered features you couldn't find in the Outlook object model.

Last modified: 2006/01/20 | Accessed: 36.624  | #17
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Reporter Reporter
VBOffice Reporter is an easy to use tool for data analysis and reporting in Outlook. A single click, for instance, allows you to see the number of hours planned for meetings the next month.

CDO 1.21 is not as comfortable to use as the Outlook object model. On the other hand, it provides you with more functionality than the OOM does.

The CDO 1.21 library is an optional component that can be found on the Office or Outlook installation disk. Because it is not installed by default you might make it up via Control Panel, Add/Remove programs; select Microsoft Office (or Outlook) and click to Add/Edit features. Then select 'Collaboration Data Objects' from the collection of Outlook components.

The following sample demonstrates how to logon a MAPI session and get the corresponding MAPI object from an Outlook MailItem. Because the GetMessage function needs the Outlook item's EntryID, the item must be stored once beforehand.

tip  How to add macros to Outlook
Public Function GetMessage(oObj As Object) As MAPI.Message
  On Error Resume Next
  Dim oSess As MAPI.Session
  Dim sEntryID As String
  Dim sStoreID As String

  sEntryID = oObj.EntryID
  sStoreID = oObj.Parent.StoreID

  Set oSess = CreateObject("MAPI.Session")
  oSess.LogOn , , False, False, , True
  Set GetMessage = oSess.GetMessage(sEntryID, sStoreID)
End Function
Category-Manager Category-Manager
With Category-Manager you can group your Outlook categories, share them with other users, filter a folder by category, automatically categorize new emails, and more. You can use the Addin even for IMAP.
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