You are employed as the exchange administrator at Company.com.the Company.com network contains an exchange 2010 organization.you are responsible for managing an exchange server 2010 mailbox server named -ex01.You are in the process of implementing a policy that deletes e-mail messages automatically after 60 days.You receive an instruction from management to identify another location where users can store their messages after 60 days.However， administrators need to locate the e-mail messages in both locations when executing multi- mailbox searches. What should you do？（）

A. You should consider creating a Retention Policy.
B. You should consider creating a.pst file for each user that is stored in a shared folder.
C. You should consider creating a Personal Archive for each user.
D. You should consider creating a journal rule.