Backing up email in Exchange Online: Exchange Online Help. Lots of things can disrupt service availability, such as hardware failure, natural disasters, or human error. To ensure that your data is always available and that services continue, even when unexpected events occur, Exchange Online uses the same technologies found in Exchange 2. For example, Exchange Online uses the Exchange 2. Database Availability Groups to replicate Exchange Online mailboxes to multiple databases in separate Microsoft datacenters. As a result, you can readily access up- to- date mailbox data in the event of a failure that affects one of the database copies. In addition to having multiple copies of each mailbox database, the different datacenters back up data for one another. If one fails, the affected data are transferred to another datacenter with limited service interruption and users experience seamless connectivity. Exchange Online service provides several options for Deleted item recovery, which include manual recovery from Deleted Items, recovery from Recoverable Items, Single Items recovery, and retention policies and tags. Archiving and litigation hold are also available within the appropriate licensing to complement the needs of preserving data. The disconnected mailbox is hidden. I finished installing windows 10 Open mail app to set up my email account, I put in the wrong ending @email.college.edu ( I don't want to put my college name) I. Deleted item retention Users can restore email items that have been deleted from any email folder. When a user deletes an item, it is kept in the Deletions subfolder of the Recoverable Items folder. Items remain in this folder until the user manually removes them, or until they are automatically removed by retention policies. For more information about recoverable items, see Recoverable Items folder. Single item recovery Email recovery has improved in Exchange Online to allow users to recover single items without having to restore mailbox databases. When the Managed Folder Assistant processes the Recoverable Items folder for a mailbox that has single item recovery enabled, any item in the Purges subfolder isn't purged if the deleted item retention period hasn't elapsed for that item. Retention tags and retention policies These settings specify how long a message remains in a mailbox and the action to be taken when the message reaches the specified retention age. When a message reaches its retention age, it's moved to the user’s In- Place Archive or deleted. For more information about Retention tags and policies, see Retention tags and retention policies.
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