You have a Microsoft 365 subscription.
You have a Data Subject Request (DSR) case named Case1.
You need to ensure that Case1 includes all the email posted by the data subject to the Microsoft Exchange Online public folders.
Which additional property should you include in the Content Search query?
A. kind:externaldata
B. itemclass:ipm.externaldata
C. itemclass:ipm.post
D. kind:email
