The current list of official media types is ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/media-types.
Here are a small fraction of them, together with x- types in common use:
| Type | Subtype |
|---|---|
| text | plain richtext enriched tab-separated-values html sgml vnd.latex-z vnd.fmi.flexstor uri-list vnd.abc rfc822-headers vnd.in3d.3dml prs.lines.tag vnd.in3d.spot css xml rtf directory calendar vnd.wap.wml vnd.wap.wmlscript vnd.motorola.reflex vnd.fly vnd.wap.sl t140 parityfec |
| message | rfc822 partial external-body news http delivery-status disposition-notification s-http |
| image | jpeg gif ief tiff g3fax cgm naplps vnd.dwg vnd.svf vnd.dxf png vnd.fpx vnd.net-fpx vnd.xiff prs.btif vnd.fastbidsheet vnd.wap.wbmp prs.pti vnd.cns.inf2 vnd.mix vnd.fst x-fits x-macpict x-pict x-macpaint x-pbm x-pgm |
| audio | basic 32kadpcm vnd.qcelp vnd.digital-winds vnd.lucent.voice vnd.octel.sbc vnd.rhetorex.32kadpcm vnd.vmx.cvsd vnd.nortel.vbk vnd.cns.anp1 vnd.cns.inf1 L16 telephone-event tone mpeg parityfec G.722.1 mpa-robust DAT12 L20 L24 x-aiff x-wav |
| video | mpeg quicktime vnd.vivo vnd.motorola.video vnd.motorola.videop vnd.fvt pointer parityfec vnd.mpegurl MP4V-ES vnd.nokia.interleaved-multimedia x-msvideo x-sgi-movie |
| model | iges vrml mesh vnd.dwf vnd.gtw vnd.flatland.3dml vnd.vtu vnd.mts vnd.gdl |
| application | octet-stream postscript oda atomicmail andrew-inset slate wita dec-dx dca-rft activemessage rtf applefile mac-binhex40 news-message-id news-transmission wordperfect5.1 pdf zip macwriteii msword remote-printing mathematica cybercash commonground iges riscos eshop x400-bp sgml cals-1840 pgp-encrypted pgp-signature pgp-keys vnd.mif vnd.ms-excel vnd.ms-powerpoint vnd.ms-project sgml-open-catalog vnd.hp-HPGL vnd.powerbuilder6 vnd.lotus-1-2-3 xml batch-SMTP x-aiff x-bitmap x-gzip z-dvi x-framemaker x-latex x-mif x-sd x-shar x-tar x-gtar x-tcl x-tex x-texinfo x-troff x-www-form-urlencoded |
| multipart | mixed alternative digest parallel appledouble header-set form-data related report voice-message signed encrypted byteranges |