Look.. just look at how long these freaking content-types are… retarded… argh!!

File Extension	Content Type
docm	application/vnd.ms-mord.document.macroEnabled.12
docx	application/vnd.openxmlformats-officedocument.wordprocessingml.document
dotm	application/vnd.ms-word.template.macroEnabled.12
dotx	application/vnd.openxmlformats-officedocument.wordprocessingml.template
ppsm	application/vnd.ms-powerpoint.slideshow.macroEnabled.12
ppsx	application/vnd.openxmlformats-officedocument.presentationml.slideshow
pptm	application/vnd.ms-powerpoint.presentation.macroEnabled.12
pptx	application/vnd.openxmlformats-officedocument.presentationml.presentation
xlsb	application/vnd.ms-excel.sheet.binary.macroEnabled.12
xlsm	application/vnd.ms-excel.sheet.macroEnabled.12
xlsx	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
xps	application/vnd.ms-xpsdocument

Stop using office! Switch to OpenOffice. It does almost everything that MS office does (granted, it does not look as pretty) and is totally free! Check it out…

Open Office Link