Valid file formats in Woocommerce, how to add ePub?

Question

Electronic books

Hello!
Can you please tell me how to expand the possibility of valid formats for uploading and downloading ePub in Woocommerce?

Answer 1

Solution found!
function additional_mime_types( $mimes ) {
$mimes['epub'] = 'application/epub+zip';
return $mimes;
}
add_filter( 'upload_mimes', 'additional_mime_types' );