Your company has an Office 365 subscription for professionals and small businesses, with 15 Microsoft Exchange Online user mailboxes. You need to enable the Litigation Hold feature for each mailbox. What should you do first?

A. Create a service request.
B. Enable the Audit Logging feature for each mailbox.
C. Purchase an Office 365 subscription for midsize businesses and enterprises.
D. Modify the default retention policy.

Correct Answer: C