Your company has a Microsoft 365 subscription that includes a user named User1.
You suspect that User1 sent email messages to a competitor detailing company secrets.
You need to recommend a solution to ensure that you can review any email messages sent by User1 to the competitor, including sent items that were deleted.
What should you include in the recommendation?
A . Enable In-Place Archiving for the mailbox of User1
B . From the Security & Compliance, perform a content search of the mailbox of User1
C . Place a Litigation Hold on the mailbox of User1
D . Configure message delivery restrictions for the mailbox of User1
Answer: C