diff --git a/inc/inc.Utils.php b/inc/inc.Utils.php
index dac901ce3..9d7d8f736 100644
--- a/inc/inc.Utils.php
+++ b/inc/inc.Utils.php
@@ -609,6 +609,7 @@ function get_extension($mimetype) { /* {{{ */
 	if(empty($mimetype)) return false;
 	switch($mimetype) {
 		case 'image/bmp': return '.bmp';
+		case 'image/x-ms-bmp': return '.bmp';
 		case 'image/cis-cod': return '.cod';
 		case 'image/gif': return '.gif';
 		case 'image/ief': return '.ief';
@@ -630,14 +631,28 @@ function get_extension($mimetype) { /* {{{ */
 		case 'image/x-jps': return '.jps';
 		case 'image/x-freehand': return '.fh';
 		case 'image/svg+xml': return '.svg';
+		case 'audio/mp3': return '.mp3';
+		case 'audio/mpeg': return '.mpeg';
+		case 'audio/ogg': return '.ogg';
+		case 'video/mp4': return '.mp4';
+		case 'video/webm': return '.webm';
 		case 'application/zip': return '.zip';
+		case 'application/x-gzip': return '.gz';
 		case 'application/x-rar': return '.rar';
+		case 'application/x-compressed-tar': return '.tgz';
 		case 'application/pdf': return '.pdf';
+		case 'application/dxf': return '.dxf';
+		case 'application/msword': return '.doc';
 		case 'application/postscript': return '.ps';
 		case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document': return '.docx';
 		case 'application/vnd.openxmlformats-officedocument.presentationml.presentation': return '.pptx';
 		case 'text/plain': return '.txt';
 		case 'text/csv': return '.csv';
+		case 'text/rtf': return '.rtf';
+		case 'text/xml': return '.xml';
+		case 'text/x-php': return '.php';
+		case 'text/x-tex': return '.tex';
+		case 'message/rfc822': return '.eml';
 		default: return false;
 	}
 } /* }}} */