Create an Outlook on the web mailbox policy in Exchange Online

You can create Outlook on the web mailbox policies to apply settings to users in Outlook on the web (formerly known as Outlook Web App). Outlook on the web mailbox policies are useful for applying and standardizing settings, for example, attachment settings, for specific groups of users.

For more information about Outlook on the web mailbox policies, see Outlook Web App mailbox policies.

What do you need to know before you begin?

Tip

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Use the EAC to create an Outlook on the web mailbox policy

  1. In the EAC, go to Permissions > Outlook Web App policies, and click New New icon

  2. In the new policy window that opens, configure the following settings:

  • Policy name: Enter a unique name for your policy.

  • Use the check boxes to enable or disable features. By default, the most common features are displayed. To see all features that can be enabled or disabled, click More options.

    Note: You can configure settings for individual users by using the Set-CASMailbox cmdlet in Exchange Online PowerShell.

  1. Click Save to save the policy.

Use Exchange Online PowerShell to create an Outlook on the web mailbox policy

In Exchange Online PowerShell, creating an Outlook on the web mailbox policy is a two-step process:

  1. Create the policy by using the following syntax:

    New-OwaMailboxPolicy -Name "<Unique Name>"
    

    This example creates an Outlook on the web mailbox policy named Executives.

    New-OwaMailboxPolicy -Name Policy1
    

    For detailed syntax and parameter information, see New-OwaMailboxPolicy.

  2. Modify the default settings of the policy.

    For more information, see Use Exchange Online PowerShell to modify Outlook on the web mailbox policies.

How do you know this worked?

To verify that you've successfully created an Outlook Web App mailbox policy:

  • In the EAC, click Permissions > Outlook Web App Policies, and look for your new mailbox policy.

To verify that you've successfully created an Outlook on the web mailbox policy, do either of the following steps:

  • In the EAC, click Permissions > Outlook Web App Policies, and verify the policy is listed. You can select the policy and click Edit Edit icon to verify the properties of the policy.

  • In Exchange Online PowerShell, run the following command to verify the policy is listed:

    Get-OwaMailboxPolicy | Format-Table Name
    
  • In Exchange Online PowerShell, replace <Policy Name> with the name of the policy, and run the following command to verify the settings:

    Get-OwaMailboxPolicy -Identity "<Policy Name>"
    

Next steps

To modify an existing Outlook on the web mailbox policy, see View or configure Outlook on the web mailbox policy properties in Exchange Online.