WordPress - get_attached_media word文档的类型名称是什么？

I have words documents attached to a post and I want to fetch them when I am on that post.

$docs = get_attached_media('attachment', $post->ID);
var_dump($docs);

I get nothing. What is the type name for documents then? It is not mentioned in WP site at all.

Any ideas?

get_attached_media( string $type, int|WP_Post $post ) $type is mime type you can get the list of mime types here https://www.sitepoint.com/web-foundations/mime-types-complete-list/