Litigation Hold allow customers to immutably preserve mailbox content to meet long term preservation and eDiscovery requirements. When a mailbox was placed on Litigation Hold, mailbox content was preserved indefinitely.
In-Place Hold was introduced to allow more flexibility in preserving your data. It allowed you to preserve items matching your query parameters, known as a query-based In-Place Hold, preserve items for a specified period, known as a time-based In-Place Hold, and also preserve everything indefinitely as same as the Litigation Hold feature
For more information, see this article: Exchange Online Service Description under “In-Place Hold and Litigation Hold”.
In Exchange Online, you can use In-Place Hold or Litigation Hold to accomplish the following goals:
- Enable users to be placed on hold and preserve mailbox items immutably
- Preserve mailbox items deleted by users or automatic deletion processes such as MRM
- Protect mailbox items from tampering, changes by a user, or automatic processes by saving a copy of the original item
- Preserve items indefinitely or for a specific duration
- Keep holds transparent from the user by not having to suspend MRM
- Use In-Place eDiscovery to search mailbox items, including items placed on hold
Additionally, you can use In-Place Hold to:
- Search and hold items matching specified criteria
- Place a user on multiple In-Place Holds for different cases or investigations
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