Commands › Exchange Online

Remove-DlpKeywordDictionary

Exchange Online ExchangeOnlineManagement Remove-*

For more information, see Security & Compliance PowerShell. Use the Remove-DlpKeywordDictionary cmdlet to remove data loss prevention (DLP) keyword dictionaries from the Microsoft Purview compliance portal.

Quick start script

# Remove-DlpKeywordDictionary — quick start (serv365.ai)
# 1. Connect (app-only shown; interactive: omit the certificate parameters)
Connect-ExchangeOnline -CertificateThumbprint $thumb -AppId $appId -Organization $org

# 2. Capture the current state first — you cannot roll back what you never recorded
$before = Get-DlpKeywordDictionary
$before | Format-List

# 3. Make the change (dry run first)
Remove-DlpKeywordDictionary -Identity <SensitiveInformationTypeIdParameter> -WhatIf
Remove-DlpKeywordDictionary -Identity <SensitiveInformationTypeIdParameter>

# 4. Verify and diff
$after = Get-DlpKeywordDictionary
Compare-Object ($before | Out-String) ($after | Out-String)

Syntax

Remove-DlpKeywordDictionary [-Identity] <SensitiveInformationTypeIdParameter>
 [-Confirm]
 [-WhatIf]
 [<CommonParameters>]

Parameters (3)

Parameter	Type	Required	What it controls
-Identity	SensitiveInformationTypeIdParameter	yes	The Identity parameter specifies the name of the DLP keyword dictionary that you want to remove. If the value contains spaces, enclose the value in quotation marks.
-Confirm	SwitchParameter		The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on whether the cmdlet requires confirmation before proceeding.
-WhatIf	SwitchParameter		The WhatIf switch doesn't work in Security & Compliance PowerShell.

Reference facts derived from Microsoft documentation, © Microsoft, licensed CC BY 4.0; restructured with original guidance by serv365.ai.