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Applies to: Exchange Online, Exchange Server 2016

This cmdlet is available in on-premises Exchange Server 2016 and in the cloud-based service. Some parameters and settings may be exclusive to one environment or the other.

Use the Set-OutlookProtectionRule cmdlet to modify an existing Microsoft Outlook protection rule.

For information about the parameter sets in the Syntax section below, see Syntax.

Set-OutlookProtectionRule -Identity <RuleIdParameter> [-ApplyRightsProtectionTemplate <RmsTemplateIdParameter>] [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-Force <SwitchParameter>] [-FromDepartment <String[]>] [-Name <String>] [-Priority <Int32>] [-SentTo <MultiValuedProperty>] [-SentToScope <All | InOrganization>] [-UserCanOverride <$true | $false>] [-WhatIf [<SwitchParameter>]]

This example modifies the Outlook protection rule OPR-DG-Finance to apply to messages sent to the DG-Finance distribution group.

Set-OutlookProtectionRule -Identity "OPR-DG-Finance" -SentTo "DG-Finance"

This example sets the priority of the Outlook protection rule OPR-DG-Finance to 2.

Set-OutlookProtectionRule -Identity "OPR-DG-Finance" -Priority 2

Outlook protection rules are used to automatically rights-protect email messages using a Rights Management Services (RMS) template before the message is sent. However, Outlook protection rules don't inspect message content. To rights-protect messages based on message content, use transport protection rules. For more information, see Outlook protection rules.

Not specifying any conditions results in an Outlook protection rule being applied to all messages.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Information Rights Management (IRM) configuration" entry in the Messaging policy and compliance permissions topic.


Parameter Required Type Description




The Identity parameter specifies the rule.




The ApplyRightsProtectionTemplate parameter specifies an RMS template to be applied to messages matching the conditions.




The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

  • Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.

  • Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.




This parameter is available only in on-premises Exchange 2016.

The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name (FQDN). For example, dc01.contoso.com.




The Force switch specifies whether to suppress the confirmation prompt produced by the cmdlet when modifying a rule with no conditions, resulting in such rules being applied to all messages.




The FromDepartment parameter specifies a department name. The rule is applied to messages where the sender's department attribute matches this value.




The Name parameter specifies a name for the rule.




The Priority parameter specifies a priority for the Outlook protection rule. Rule priority values can range from 0 through n-1, where n is the total number of existing Outlook protection rules.

Any existing rules with priority equal to or higher than the priority being set have their priority incremented by 1.




The SentTo parameter specifies one or more recipients. External recipients can be specified using the SMTP address.

Internal recipients can be specified using any of the following values:

  • Alias

  • Distinguished name (DN)

  • ExchangeGUID

  • LegacyExchangeDN

  • SmtpAddress

  • User principal name (UPN)




The SentToScope parameter specifies the scope of messages to which the rule applies. Valid values include:

  • All   Applies to all messages.

  • InOrganization   Applies to messages originating from inside the Exchange organization, where all recipients are also internal.

If not specified, the parameter defaults to All.




The UserCanOverride parameter specifies whether the Outlook user can override the rule behavior, either by using a different RMS template, or by removing rights protection before sending the message. Valid values include:

  • $true   User can override rule action.

  • $false   User can't override rule action.




The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.

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