Merge pull request #4975 from MicrosoftDocs/repo_sync_working_branch

Confirm merge from repo_sync_working_branch to main to sync with https://github.com/MicrosoftDocs/defender-docs (branch public)

Author: aditisrivastava07

defender-endpoint/manage-automation-file-uploads.md

@@ -52,6 +52,10 @@ For example, if you add *exe* and *bat* as file or attachment extension names, t
 
    - **File extension names** - Suspicious files except email attachments will be submitted for additional inspection
 
+> [!NOTE]
+> By default you will see several extension names are automatically filled. One of them is **_double quotes (")_**, this will include files that don't have any file extensions at all.
+
+
 ## Related topics
 
 - [Manage automation folder exclusions](manage-automation-folder-exclusions.md)