A while back I posted a sample of creating a Shortcut to a Shared Calendar folder using EWS here . In this post I'll look at how you can do the inverse which is reading and accessing the folders associated with these shortcuts. A users Shared Contacts folder's will appear like the following in Outlook These Shortcuts are special items that are saved in the Common Views folder in the Non_IPM_Subtree of a mailbox. The data for the shortcut item is saved in a number of properties which are documented in the following Exchange protocol document http://msdn.microsoft.com/en-us/library/ee157359(v=exchg.80).aspx So to access these shortcuts from EWS requires a few different operations, the first is you need to use a FindFolder operation on the Root of the Mailbox to located the CommonViews Folder. Once you have the CommonViews FolderId you then use the FindItems operation to find any of the Items where the PidTagWlinkGroupName is set to Shared Contacts, which will effe...
Pushing the Envelope in Messaging and Office 365 Development