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Recover deleted-deleted mail in Exchange Online

Recover deleted-deleted mail in Exchange Online

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If you accidently delete a mail - and on top of that accidently empty the Deleted Items folder - you can still get to that ‘deleted-deleted’ mail using the Recover Deleted Items command.

A deleted mail will be kept in your Deleted Items folder until it is manually deleted from there by you, or until its removed automatically as per your company's Retention Policies (by default 30 days).

When a mail is deleted from the the Deleted Items folder, its kept for another 14 days in a folder called the Recoverable Items folder until it is permanently removed automatically. During this 14-day period you can recover the ‘deleted-deleted’ mail.

Just right-click the Deleted Items folder, click Recover Deleted Items to display the Recover Deleted Items dialogbox, click the mail(s) you want to restore and then click the Recover Selected Items button

If you are accessing your mail using the Outlook client (as opposed to Outlook Web App in the above example) then the Recover Deleted Items command is found in the Ribbon in the Clean Up group

To increase the above metioned Deleted item recovery (Single Item Recovery) period for all users from the default of 14 days to the 30 day maximum, you (if you are the admin of the tenant) can run a PowerShell cmdlet that resembles the following:

Get-Mailbox | Set-Mailbox -SingleItemRecoveryEnabled $True -RetainDeletedItemsFor 30

If you want to recover items for a period of more than 30 days, you must use Litigation Hold.

See also

Comments
  • Thx for tutorial, very interesting!

  • Nice ! Helpful !

  • very good tutorials. surely it helps when mistakenly one deleted all items even from Deletedbox. thanks for sharing.

  • <a href="www.recoverytoolbox.com/exchange_server.html">exchange recovery</a> corrupted/unreadable exchange folders, messages and rest data are damaged by power shortages or surges, physical damage and incorrect user's actions.

  • Look at www.recoverytoolbox.com/exchange_server.html corrupted/unreadable exchange folders, messages and rest data are damaged by power shortages or surges, physical damage and incorrect user's actions.

  • If you configure default MRM option, mail older than 12 months, is moved out of the mailbox, and into to the archive.

    But you have to configure the archive manually, and if you do not configure this option, what happens to the mail?

    And is it possible to recover this mail  from a p1 plan?

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