Match EWS Conversation* to Outlook Add-in Conversation*
问题 I wrote an add-in for Outlook years ago that adds entries to a database based on the Item's ConversationIndex / ConversationId properties. This works great and remains uniform across all clients interacting with the messages (e.g. "Bob" can see that "Mary" already processed this message because an entry with the ConversationIndex already exists). I'm now trying to move this piece to a service (and connect via the EWS API) but I'm not having good luck matching these properties with the values