How To

How to Delete User Mailbox in Office 365 Manually

Last updated on May 28th, 2019 at 01:25 am

An Exchange Administrator has lots of responsibilities, It is the duty of admin to check all the mailboxes in server are accurate. The administrators run regular checkups and troubleshoot problems encountered by user. As a part of their work admin have to delete user mailbox in Exchange Online. These mailboxes acquire the space of server and also interfere with regular operations. So, to delete mailbox in Office 365 admin can use Office 365 admin center or Windows PowerShell. Here we will know methods to remove soft-deleted mailbox in Office 365.

What is Soft-deleted User mailbox and Hard-deleted mailbox?

User-mailbox that is deleted from Exchange Online via Office 365 admin center or PowerShell still resides in Azure Active Directory recycle bin for 30 days. This user mailbox is termed as Soft-deleted. If the user mailbox has been soft-deleted and the account related to mailbox has been hard deleted then the mailbox gets deleted forever.

Office 365 Delete Mailbox using Admin Center

If we delete the Office 365 user account then mailbox linked to this account also gets deleted from Exchange Online. If the account not recovered in 30 days it is deleted forever. So check the steps to delete exchange online user mailbox.

  • Go to Office 365 and sign in to your account
  • Now click on the Admin icon

delete mailbox from office 365

  • From the left hand side go to Users and select Active Users
  • List of active users will appear on the screen, now click on the user you want to delete
  • At right side, click on ‘Delete User’

office 365 delete user mailbox

  • The user will be removed from the Exchange Online

Deleting the user will not end the subscription and license of the product. So to stop paying for license remove it

  • Go to Office 365 Admin Center
  • Click on Billings>> Subscriptions
  • Select the subscription assigned to user and click ‘Remove’ license

In this way you can delete Office 365 Account using Admin center

Remove User Mailbox without deleting the User

This is possible when deleting Exchange Online mailbox with PowerShell

  • Start windows PowerShell and connect with Office 365 by following command

$UserCredential = Get-Credential

  • A pop-up box will open, enter the login details and OK

connect powershell to office 365

  • To establish connection use

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic –AllowRedirection

  • Now execute the command

Import-PSSession $Session –DisableNameChecking

  • Delete the user-mailbox by following command

Remove-Mailbox -Identity <mailbox identity>

  • This will move the mailbox to deleted folders, check the deleted folder by

Get-MsolUser – ReturnDeletedUsers

  • Now permanently delete Exchange Online User mailbox

Remove-MsolUser -UserPrincipalName <mailbox identity> -RemoveFromRecycleBin

The Office 365 mailbox will be completely deleted. User wishing to recover deleted mailbox must do it with-in 30 days else it gets permanently deleted forever.

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