To produce this list, open SSMS and log into the Archive Manager database.
Click on the 'New Query' button, then use this script:
Use ArchiveManager
Select RetentionPolicy2.Name, RetentionPolicyTarget.RetentionPolicyID, Mailbox.Name, Mailbox.MailBoxID, Login.EmailAddress
From RetentionPolicyTarget
Join Mailbox on RetentionPolicyTarget.MailBoxID = Mailbox.MailboxID
Join RetentionPolicy2 on RetentionPolicyTarget.RetentionPolicyID = RetentionPolicy2.RetentionPolicyID
Join Login on Mailbox.UID = Login.UID