Identify parent message Id in outlook reply mail mode

Question

i am making a js outlook addin. Here I want to get the parent message id, if user trying to reply mail.

When user opens reply mail in compose mode, i want to extract parent message Id and do some analytics.

How can we achieve this?

Answer 1

You can use EWS for getting the job done. You can navigate through the conversation and find the latest one. See How to: Get conversation items by using the EWS Managed API 2.0 for more information.