Merge pull request #10899 from m-nestorovic/patch-18

Update Set-TransportRule.md

Author: chrisda

exchange/exchange-ps/exchange/Set-TransportRule.md

@@ -883,11 +883,13 @@ This parameter specifies a condition or part of a condition for the rule. The na
 
 In on-premises Exchange, this condition is only available on Mailbox servers.
 
-The AttachmentHasExecutableContent parameter specifies a condition that looks for executable content in message attachments. Valid values are:
+The AttachmentHasExecutableContent parameter specifies a condition that inspects messages where an attachment is an executable file. Valid values are:
 
 - $true: Look for executable content in message attachments.
 - $false: Don't look for executable content in message attachments.
 
+The system inspects the file properties rather than relying on the file extension. For more information, see [Supported executable file types for mail flow rule inspection](https://learn.microsoft.com/exchange/security-and-compliance/mail-flow-rules/inspect-message-attachments#supported-executable-file-types-for-mail-flow-rule-inspection).
+
 ```yaml
 Type: Boolean
 Parameter Sets: (All)
@@ -1720,11 +1722,13 @@ This parameter specifies an exception or part of an exception for the rule. The
 
 In on-premises Exchange, this exception is only available on Mailbox servers.
 
-The ExceptIfAttachmentHasExecutableContent parameter specifies an exception that looks for executable content in message attachments. Valid values are:
+The ExceptIfAttachmentHasExecutableContent parameter specifies an exception that inspects messages where an attachment is an executable file. Valid values are:
 
 - $true: Look for executable content in message attachments.
 - $false: Don't look for executable content in message attachments.
 
+The system inspects the file properties rather than relying on the file extension. For more information, see [Supported executable file types for mail flow rule inspection](https://learn.microsoft.com/exchange/security-and-compliance/mail-flow-rules/inspect-message-attachments#supported-executable-file-types-for-mail-flow-rule-inspection).
+
 ```yaml
 Type: Boolean
 Parameter Sets: (All)