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Is the Recoverable items folder cached into the OST file?

Wanderson Oliveira 21 Reputation points
2020-11-11T01:24:55.373+00:00

Is the Recoverable items folder cached into the OST file? I'm concerned particularly with Litigation Hold. In the MS documentation it says: Litigation Hold preserves items in the Recoverable Items folder in the user's mailbox. Does it so locally (OST), server-only or both?

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  1. Andy David - MVP 160.2K Reputation points MVP Volunteer Moderator
    2020-11-11T01:30:56.5+00:00

    No, the Recoverable Items Folder is not cached in the ost.
    https://learn.microsoft.com/en-us/exchange/security-and-compliance/recoverable-items-folder/recoverable-items-folder

    Each user mailbox is divided into two subtrees: the IPM (interpersonal messaging) subtree, which contains the normal, visible folders such as Inbox, Calendar, and Sent Items and the non-IPM subtree, which contains internal data, preferences, and other operational data about the mailbox. The Recoverable Items folder resides in the non-IPM subtree of each mailbox. This subtree isn't visible to users using Outlook, Outlook on the web (formerly known as Outlook Web App), or other email clients.

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