MIME型別就是設定某種副檔名的檔案用一種應用程式來開啟的方式型別，當該副檔名檔案被訪問的時候，瀏覽器會自動使用指定應用程式來開啟。多用於指定一些客戶端自定義的檔名，以及一些媒體檔案開啟方式。

下面列出常用的檔案對應的MIME型別：

   .asx,video/x-ms-asf
   .xml,text/xml
   .tsv,text/tab-separated-values
   .ra,audio/x-pn-realaudio
   .sv4crc,application/x-sv4crc
   .spc,application/x-pkcs7-certificates
   .pmc,application/x-perfmon
   .lit,application/x-ms-reader
   .crd,application/x-mscardfile
   .isp,application/x-internet-signup
   .wmlsc,application/vnd.wap.wmlscriptc
   .vst,application/vnd.visio
   .xlam,application/vnd.ms-excel.addin.macroEnabled.12
   .ttf,application/octet-stream
   .pfm,application/octet-stream
   .csv,application/octet-stream
   .aaf,application/octet-stream
   .one,application/onenote
   .hta,application/hta
   .atom,application/atom+xml
   .323,text/h323
   .mhtml,message/rfc822
   .midi,audio/mid
   .p7r,application/x-pkcs7-certreqresp
   .mny,application/x-msmoney
   .clp,application/x-msclip
   .vsd,application/vnd.visio
   .lpk,application/octet-stream
   .bin,application/octet-stream
   .onetoc,application/onenote
   .x,application/directx
   .wvx,video/x-ms-wvx
   .vcf,text/x-vcard
   .htc,text/x-component
   .htt,text/webviewhtml
   .h,text/plain
   .mht,message/rfc822
   .mid,audio/mid
   .p7b,application/x-pkcs7-certificates
   .gz,application/x-gzip
   .dvi,application/x-dvi
   .cpio,application/x-cpio
   .vdx,application/vnd.ms-visio.viewer
   .sldm,application/vnd.ms-powerpoint.slide.macroEnabled.12
   .xlm,application/vnd.ms-excel
   .fdf,application/vnd.fdf
   .setreg,application/set-registration-initiation
   .eps,application/postscript
   .p7s,application/pkcs7-signature
   .toc,application/octet-stream
   .mdp,application/octet-stream
   .ics,application/octet-stream
   .chm,application/octet-stream
   .asi,application/octet-stream
   .afm,application/octet-stream
   .evy,application/envoy
   .wmp,video/x-ms-wmp
   .qt,video/quicktime
   .mpv2,video/mpeg
   .xslt,text/xml
   .etx,text/x-setext
   .cod,image/cis-cod
   .snd,audio/basic
   .au,audio/basic
   .man,application/x-troff-man
   .qtl,application/x-quicktimeplayer
   .pmw,application/x-perfmon
   .class,application/x-java-applet
   .iii,application/x-iphone
   .csh,application/x-csh
   .z,application/x-compress
   .vtx,application/vnd.visio
   .vsw,application/vnd.visio
   .wps,application/vnd.ms-works
   .potx,application/vnd.openxmlformats-officedocument.presentationml.template
   .ps,application/postscript
   .p7c,application/pkcs7-mime
   .thn,application/octet-stream
   .mso,application/octet-stream
   .dot,application/msword
   .doc,application/msword
   .sgml,text/sgml
   .nws,message/rfc822
   .pbm,image/x-portable-bitmap
   .ief,image/ief
   .wav,audio/wav
   .texi,application/x-texinfo
   .mvb,application/x-msmediaview
   .hdf,application/x-hdf
   .vsx,application/vnd.visio
   .dotm,application/vnd.ms-word.template.macroEnabled.12
   .docm,application/vnd.ms-word.document.macroEnabled.12
   .pptx,application/vnd.openxmlformats-officedocument.presentationml.presentation
   .psm,application/octet-stream
   .java,application/octet-stream
   .eot,application/octet-stream
   .jar,application/java-archive
   .mpeg,video/mpeg
   .xsf,text/xml
   .map,text/plain
   .uls,text/iuls
   .rf,image/vnd.rn-realflash
   .m3u,audio/x-mpegurl
   .wma,audio/x-ms-wma
   .aifc,audio/aiff
   .mdb,application/x-msaccess
   .mvc,application/x-miva-compiled
   .stl,application/vnd.ms-pki.stl
   .ppsx,application/vnd.openxmlformats-officedocument.presentationml.slideshow
   .xlsb,application/vnd.ms-excel.sheet.binary.macroEnabled.12
   .setpay,application/set-payment-initiation
   .prm,application/octet-stream

   .mix,application/octet-stream
   .lzh,application/octet-stream
   .hhk,application/octet-stream
   .onepkg,application/onenote
   .xaf,x-world/x-vrml
   .flr,x-world/x-vrml
   .IVF,video/x-ivf
   .cnf,text/plain
   .asm,text/plain
   .tiff,image/tiff
   .wax,audio/x-ms-wax
   .ms,application/x-troff-ms
   .tcl,application/x-tcl
   .shar,application/x-shar
   .sh,application/x-sh
   .nc,application/x-netcdf
   .hlp,application/winhlp
   .oda,application/oda
   .pfb,application/octet-stream
   .fla,application/octet-stream
   .wm,video/x-ms-wm
   .rgb,image/x-rgb
   .ppm,image/x-portable-pixmap
   .ram,audio/x-pn-realaudio
   .sit,application/x-stuffit
   .dir,application/x-director
   .mpp,application/vnd.ms-project
   .xla,application/vnd.ms-excel
   .ssm,application/streamingmedia
   .axs,application/olescript
   .ods,application/oleobject
   .psp,application/octet-stream
   .jpb,application/octet-stream
   .wrz,x-world/x-vrml
   .m1v,video/mpeg
   .mno,text/xml
   .cmx,image/x-cmx
   .jpeg,image/jpeg
   .dib,image/bmp
   .rmi,audio/mid
   .aiff,audio/aiff
   .wmd,application/x-ms-wmd
   .wri,application/x-mswrite
   .pub,application/x-mspublisher
   .ins,application/x-internet-signup
   .wks,application/vnd.ms-works
   .xls,application/vnd.ms-excel
   .ai,application/postscript
   .crl,application/pkix-crl
   .qxd,application/octet-stream
   .dwp,application/octet-stream
   .xof,x-world/x-vrml
   .wmv,video/x-ms-wmv
   .nsc,video/x-ms-asf
   .mpa,video/mpeg
   .pnm,image/x-portable-anymap
   .rpm,audio/x-pn-realaudio-plugin
   .aif,audio/x-aiff
   .me,application/x-troff-me
   .pml,application/x-perfmon
   .trm,application/x-msterminal
   .m13,application/x-msmediaview
   .js,application/x-javascript
   .dxr,application/x-director
   .potm,application/vnd.ms-powerpoint.template.macroEnabled.12
   .xltx,application/vnd.openxmlformats-officedocument.spreadsheetml.template
   .xlt,application/vnd.ms-excel
   .xlc,application/vnd.ms-excel
   .p10,application/pkcs10
   .smi,application/octet-stream
   .sea,application/octet-stream
   .hqx,application/mac-binhex40
   .spl,application/futuresplash
   .movie,video/x-sgi-movie
   .lsf,video/x-la-asf
   .txt,text/plain
   .jfif,image/pjpeg
   .jpe,image/jpeg
   .zip,application/x-zip-compressed
   .wmf,application/x-msmetafile
   .m14,application/x-msmediaview
   .latex,application/x-latex
   .wcm,application/vnd.ms-works
   .pptm,application/vnd.ms-powerpoint.presentation.macroEnabled.12
   .xlsx,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
   .hhp,application/octet-stream
   .aca,application/octet-stream
   .accdb,application/msaccess
   .jcz,application/liquidmotion
   .wrl,x-world/x-vrml
   .wmx,video/x-ms-wmx
   .asr,video/x-ms-asf
   .lsx,video/x-la-asf
   .xsl,text/xml
   .html,text/html
   .tif,image/tiff
   .der,application/x-x509-ca-cert
   .pfx,application/x-pkcs12
   .p12,application/x-pkcs12
   .ppsm,application/vnd.ms-powerpoint.slideshow.macroEnabled.12
   .cur,application/octet-stream
   .accdt,application/msaccess
   .hdml,text/x-hdml
   .htm,text/html
   .xbm,image/x-xbitmap
   .jpg,image/jpeg
   .texinfo,application/x-texinfo
   .ppam,application/vnd.ms-powerpoint.addin.macroEnabled.12
   .xlw,application/vnd.ms-excel
   .rm,application/vnd.rn-realmedia
   .pdf,application/pdf
   .rar,application/octet-stream
   .psd,application/octet-stream
   .inf,application/octet-stream
   .emz,application/octet-stream
   .dsp,application/octet-stream
   .onea,application/onenote
   .jck,application/liquidmotion
   .mpe,video/mpeg
   .mp2,video/mpeg
   .sct,text/scriptlet
   .ras,image/x-cmu-raster
   .swf,application/x-shockwave-flash
   .wmz,application/x-ms-wmz
   .gtar,application/x-gtar
   .dcr,application/x-director
   .sldx,application/vnd.openxmlformats-officedocument.presentationml.slide
   .pps,application/vnd.ms-pps
   .p7m,application/pkcs7-mime
   .xsn,application/octet-stream
   .ocx,application/octet-stream
   .accde,application/msaccess
   .mov,video/quicktime
   .wmls,text/vnd.wap.wmlscript
   .cpp,text/plain
   .c,text/plain
   .bas,text/plain
   .css,text/css
   .art,image/x-jg
   .mp3,audio/mpeg
   .t,application/x-troff
   .roff,application/x-troff
   .tar,application/x-tar
   .hhc,application/x-oleobject
   .scd,application/x-msschedule
   .pko,application/vnd.ms-pki.pko
   .sst,application/vnd.ms-pki.certstore
   .ppt,application/vnd.ms-powerpoint
   .xtp,application/octet-stream
   .u32,application/octet-stream
   .pcx,application/octet-stream
   .msi,application/octet-stream
   .exe,application/octet-stream
   .asd,application/octet-stream
   .onetoc2,application/onenote
   .fif,application/fractals
   .mpg,video/mpeg
   .vml,text/xml
   .xdr,text/plain
   .vcs,text/plain
   .hxt,text/html
   .eml,message/rfc822
   .xpm,image/x-xpixmap
   .ico,image/x-icon
   .gif,image/gif
   .dwf,drawing/x-dwf
   .src,application/x-wais-source
   .tr,application/x-troff
   .pmr,application/x-perfmon
   .pma,application/x-perfmon
   .dll,application/x-msdownload
   .bcpio,application/x-bcpio
   .wmlc,application/vnd.wap.wmlc
   .wdb,application/vnd.ms-works
   .dotx,application/vnd.openxmlformats-officedocument.wordprocessingml.template
   .docx,application/vnd.openxmlformats-officedocument.wordprocessingml.document
   .pot,application/vnd.ms-powerpoint
   .xltm,application/vnd.ms-excel.template.macroEnabled.12
   .rtf,application/rtf
   .prf,application/pics-rules
   .snp,application/octet-stream
   .cab,application/octet-stream
   .avi,video/x-msvideo
   .asf,video/x-ms-asf
   .dtd,text/xml
   .wml,text/vnd.wap.wml
   .vbs,text/vbscript
   .rtx,text/richtext
   .dlm,text/dlm
   .xwd,image/x-xwindowdump
   .pgm,image/x-portable-graymap
   .bmp,image/bmp
   .crt,application/x-x509-ca-cert
   .ustar,application/x-ustar
   .tex,application/x-tex
   .sv4cpio,application/x-sv4cpio
   .tgz,application/x-compressed
   .cdf,application/x-cdf
   .vss,application/vnd.visio
   .cat,application/vnd.ms-pki.seccat
   .thmx,application/vnd.ms-officetheme
   .xlsm,application/vnd.ms-excel.sheet.macroEnabled.12
   .prx,application/octet-stream
   .pcz,application/octet-stream
   .onetmp,application/onenote
   .acx,application/internet-property-stream
   .wsdl,text/xml
   .disco,text/xml
   .xsd,text/xml
   .wbmp,image/vnd.wap.wbmp
   .png,image/png
   .pnz,image/png
   .smd,audio/x-smd
   .smz,audio/x-smd
   .smx,audio/x-smd
   .mmf,application/x-smaf