Commands › Exchange Online

Add-AttachmentFilterEntry

Exchange Online ExchangeOnlineManagement Add-*

This cmdlet is available or effective only on Edge Transport servers in on-premises Exchange. Use the Add-AttachmentFilterEntry cmdlet to add an entry to the attachment filter list that's used by the Attachment Filtering agent on Edge Transport servers.

Quick start script

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

# 2. Run and inspect
Add-AttachmentFilterEntry -Name <String> -Type <AttachmentType> | Format-List

# 3. Export for evidence / drift tracking
Add-AttachmentFilterEntry | Export-Clixml .\AttachmentFilterEntry-$(Get-Date -Format yyyyMMdd).xml

Syntax

Add-AttachmentFilterEntry -Name <String> -Type <AttachmentType>
 [-Confirm]
 [-DomainController <Fqdn>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (5)

Parameter	Type	Required	What it controls
-Name	String	yes	The Name parameter specifies the files that you want to block. Valid values are:
-Type	AttachmentType	yes	The Type parameter specifies what type of attachment the attachment filter entry blocks. Valid values are:
-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.
-DomainController	Fqdn		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...
-WhatIf	SwitchParameter		The WhatIf switch shows what the command does without making any changes. You don't need to specify a value with this switch.

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