Indefinitely. Unless you have configured a retention policy with a Delete action, or the user deletes it manually. By default, no items are deleted automatically, be it in the main mailbox or the archive one, everything is kept indefinitely.
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AtanasM (Iron Contributor)
Indefinitely. Unless you have configured a retention policy with a Delete action, or the user deletes it manually. By default, no items are deleted automatically, be it in the main mailbox or the archive one, everything is kept indefinitely.
