Microsoft Office 2007, 2010 docx, xlsx, pptx mime type (to avoid the zip issue)
October 21st, 2010 by jeremychone".manifest", "application/manifest" ".xaml", "application/xaml+xml", ".application", "application/x-ms-application", ".deploy", "application/octet-stream" ".xbap", "application/x-ms-xbap" ".docm","application/vnd.ms-word.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" ".potm","application/vnd.ms-powerpoint.template.macroEnabled.12" ".potx","application/vnd.openxmlformats-officedocument.presentationml.template" ".ppam","application/vnd.ms-powerpoint.addin.macroEnabled.12" ".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" ".xlam","application/vnd.ms-excel.addin.macroEnabled.12" ".xlsb","application/vnd.ms-excel.sheet.binary.macroEnabled.12" ".xlsm","application/vnd.ms-excel.sheet.macroEnabled.12" ".xlsx","application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" ".xltm","application/vnd.ms-excel.template.macroEnabled.12" ".xltx","application/vnd.openxmlformats-officedocument.spreadsheetml.template"
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Microsoft: Register the 2007 Office system file format MIME types on servers