What is and is not protected depends on how you configured the Exchange user mailbox plan for the User Mailbox, or the Exchange journal mailbox plan for the Journal Mailbox and the ContentStore Mailbox.
User Mailbox
What is Archived by Default
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Primary mailboxes
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Disabled mailboxes
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Email messages
What Can Be Archived
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Archive mailboxes
-
Stubs
Journal Mailbox
What Is Archived
- All journal mailboxes that are included in the subclient. This includes journal mailboxes that are configured using premium journaling.
What Is Not Archived
- Journal mailboxes that are not included in the subclient.
ContentStore Mailbox
What Is Archived
- All journal mailboxes that are included in the subclient.