diff --git a/src/wp-admin/includes/export.php b/src/wp-admin/includes/export.php
index 4fcf253306..3acd7fdc3e 100644
--- a/src/wp-admin/includes/export.php
+++ b/src/wp-admin/includes/export.php
@@ -43,8 +43,21 @@ function export_wp( $args = array() ) {
 	do_action( 'export_wp', $args );
 
 	$sitename = sanitize_key( get_bloginfo( 'name' ) );
-	if ( ! empty($sitename) ) $sitename .= '.';
-	$filename = $sitename . 'wordpress.' . date( 'Y-m-d' ) . '.xml';
+	if ( ! empty( $sitename ) ) {
+		$sitename .= '.';
+	}
+	$date = date( 'Y-m-d' );
+	$wp_filename = $sitename . 'wordpress.' . $date . '.xml';
+	/**
+	 * Filter the export filename.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param string $wp_filename The name of the file for download.
+	 * @param string $sitename    The site name.
+	 * @param string $date        Today's date, formatted.
+	 */
+	$filename = apply_filters( 'export_wp_filename', $wp_filename, $sitename, $date );
 
 	header( 'Content-Description: File Transfer' );
 	header( 'Content-Disposition: attachment; filename=' . $filename );