MIME Type for Microsoft Products

File extension	File type	MIME type
.docx	Microsoft Office Word 2007 document	application/vnd.openxmlformats-officedocument.wordprocessingml.document
.docm	Office Word 2007 macro-enabled document	application/vnd.ms-word.document.macroEnabled.12
.dotx	Office Word 2007 template	application/vnd.openxmlformats-officedocument.wordprocessingml.template
.dotm	Office Word 2007 macro-enabled document template	application/vnd.ms-word.template.macroEnabled.12
.xlsx	Microsoft Office Excel 2007 workbook	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xlsm	Office Excel 2007 macro-enabled workbook	application/vnd.ms-excel.sheet.macroEnabled.12
.xltx	Office Excel 2007 template	application/vnd.openxmlformats-officedocument.spreadsheetml.template
.xltm	Office Excel 2007 macro-enabled workbook template	application/vnd.ms-excel.template.macroEnabled.12
.xlsb	Office Excel 2007 binary workbook	application/vnd.ms-excel.sheet.binary.macroEnabled.12
.xlam	Office Excel 2007 add-in	application/vnd.ms-excel.addin.macroEnabled.12
.pptx	Microsoft Office PowerPoint 2007 presentation	application/vnd.openxmlformats-officedocument.presentationml.presentation
.pptm	Office PowerPoint 2007 macro-enabled presentation	application/vnd.ms-powerpoint.presentation.macroEnabled.12
.ppsx	Office PowerPoint 2007 slide show	application/vnd.openxmlformats-officedocument.presentationml.slideshow
.ppsm	Office PowerPoint 2007 macro-enabled slide show	application/vnd.ms-powerpoint.slideshow.macroEnabled.12
.potx	Office PowerPoint 2007 template	application/vnd.openxmlformats-officedocument.presentationml.template
.potm	Office PowerPoint 2007 macro-enabled presentation template	application/vnd.ms-powerpoint.template.macroEnabled.12
.ppam	Office PowerPoint 2007 add-in	application/vnd.ms-powerpoint.addin.macroEnabled.12
.sldx	Office PowerPoint 2007 slide	application/vnd.openxmlformats-officedocument.presentationml.slide
.sldm	Office PowerPoint 2007 macro-enabled slide	application/vnd.ms-powerpoint.slide.macroEnabled.12
.one	Microsoft Office OneNote 2007 section	application/msonenote
.onetoc2	Office OneNote 2007 TOC	application/msonenote
.onetmp	Office OneNote 2007 temporary file	application/msonenote
.onepkg	Office OneNote 2007 package	application/msonenote
.thmx	2007 Office system release theme	application/vnd.ms-officetheme