Microsoft Office MIME Types
These are InternetMediaTypes MIME-Types specifically for Microsoft Office files:-
.doc
application/msword
.dot
application/msword
.docx
application/vnd.openxmlformats-officedocument.wordprocessingml.document
.dotx
application/vnd.openxmlformats-officedocument.wordprocessingml.template
.docm
application/vnd.ms-word.document.macroEnabled.12
.dotm
application/vnd.ms-word.template.macroEnabled.12
.xls
application/vnd.ms-excel
.xlt
application/vnd.ms-excel
.xla
application/vnd.ms-excel
.xlsx
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.xltx
application/vnd.openxmlformats-officedocument.spreadsheetml.template
.xlsm
application/vnd.ms-excel.sheet.macroEnabled.12
.xltm
application/vnd.ms-excel.template.macroEnabled.12
.xlam
application/vnd.ms-excel.addin.macroEnabled.12
.xlsb
application/vnd.ms-excel.sheet.binary.macroEnabled.12
.ppt
application/vnd.ms-powerpoint
.pot
application/vnd.ms-powerpoint
.pps
application/vnd.ms-powerpoint
.ppa
application/vnd.ms-powerpoint
.pptx
application/vnd.openxmlformats-officedocument.presentationml.presentation
.potx
application/vnd.openxmlformats-officedocument.presentationml.template
.ppsx
application/vnd.openxmlformats-officedocument.presentationml.slideshow
.ppam
application/vnd.ms-powerpoint.addin.macroEnabled.12
.pptm
application/vnd.ms-powerpoint.presentation.macroEnabled.12
.potm
application/vnd.ms-powerpoint.template.macroEnabled.12
.ppsm
application/vnd.ms-powerpoint.slideshow.macroEnabled.12