Mailbox analytics is something Microsoft have been working on for a number of years and its seems to be something that has received a little more effort in these pandemic times. If you have ever looked at the Non_IPM_Subtree of your mailbox you will see a lot of data being stored in their from various apps and substrate processes. A while back i wrote a ChangeDiscovery script to allow me to dump out quick what changes where happening in a Mailbox in a short time frame (eg i wanted to see what happened to all the items in a Mailbox when i performed a specific task). If you run this script with a slightly longer time-frame (eg looking over a day) it picks up all the Items that are being written and created for the Mailbox insights processes and other substrate processes. Most of these emails get written under the Usually if I then wanted to look at these type of items I would use OutlookSpy or MFCMapi to browse the raw MAPI properties on items to see if they where of interest. Given...
Pushing the Envelope in Messaging and Office 365 Development