application/mswordMicrosoft Wordapplication/pdfPortable Data Formatapplication/rtfRich Text Formatapplication/vnd.ms-excelMicrosoft Excelapplication/vnd.ms-powerpointMicrosoft Powerpointtext/csvComma Separated Valuestext/htmlHypertext Markup Languagetext/plainText onlytext/xmlExtensible Markup Language