--- loncom/mime.types	2005/03/21 19:29:13	1.3
+++ loncom/mime.types	2009/08/18 01:02:29	1.4
@@ -211,6 +211,14 @@ application/vnd.noblenet-web
 application/vnd.novadigm.EDM
 application/vnd.novadigm.EDX
 application/vnd.novadigm.EXT
+application/vnd.openxmlformats-officedocument.presentationml.presentation pptx
+application/vnd.openxmlformats-officedocument.presentationml.slide	sldx
+application/vnd.openxmlformats-officedocument.presentationml.slideshow	ppsx
+application/vnd.openxmlformats-officedocument.presentationml.template	potx
+application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	xlsx
+application/vnd.openxmlformats-officedocument.spreadsheetml.template	xltx
+application/vnd.openxmlformats-officedocument.wordprocessingml.document	docx
+application/vnd.openxmlformats-officedocument.wordprocessingml.template	dotx
 application/vnd.osa.netdeploy
 application/vnd.palm
 application/vnd.pg.format