EWS ID for non email items RRS feed

  • Question

  • Hi All

    I am developing an application to sync items between mailboxes that uses an export and then import (using full fidelity options) and am able to use the INTERNETMESSAGEID field for email items to identify if the email has already been copied to the destination, but cannot find a suitable field to use for Calendar and Contact items.

    Any idea what field I can use?


    Monday, April 17, 2017 8:02 PM