Description of Data Content |
Typical Filename Extensions |
|
MIME type/subtype |
| |
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| Text and Text-Related Types |
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| HTML text data (RFC 1866) |
html htm |
|
text/html |
| Plain text: documents; program listings |
txt c c++ pl cc h |
|
text/plain |
| Richtext (obsolete - replaced by text/enriched) |
|
|
text/richtext |
| Structure enhanced text |
(etx?) |
|
text/x-setext |
| Enriched text markup (RFC 1896) |
|
|
text/enriched |
| Tab-separated values (tabular) |
(tsv?) |
|
text/tab-separated-values |
| SGML documents (RFC 1874) |
|
|
text/sgml |
| Speech synthesis data (MVP Solutions) |
talk |
|
text/x-speech |
| |
|
|
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| Document Stylesheet Types |
|
|
|
| Cascading Stylesheets |
css |
|
text/css |
| DSSSL-online stylesheets |
|
|
application/dsssl (proposed) |
| |
|
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| Image Types |
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|
|
| GIF |
gif |
|
image/gif |
| X-Windows bitmap (b/w) |
xbm |
|
image/x-xbitmap |
| X-Windows pixelmap (8-bit color) |
xpm |
|
image/x-xpixmap |
| Portable Network Graphics |
png |
|
image/x-png |
| Image Exchange Format (RFC 1314) |
ief |
|
image/ief |
| JPEG |
jpeg jpg jpe |
|
image/jpeg |
| TIFF |
tiff tif |
|
image/tiff |
| RGB |
rgb |
|
image/rgb |
| |
|
|
image/x-rgb |
| Group III Fax (RFC 1494) |
g3f |
|
image/g3fax |
| X Windowdump format |
xwd |
|
image/x-xwindowdump |
| Macintosh PICT format |
pict |
|
image/x-pict |
| PPM (UNIX PPM package) |
ppm |
|
image/x-portable-pixmap |
| PGM (UNIX PPM package) |
pgm |
|
image/x-portable-graymap |
| PBM (UNIX PPM package) |
pbm |
|
image/x-portable-bitmap |
| PNM (UNIX PPM package) |
pnm |
|
image/x-portable-anymap |
| Microsoft Windows bitmap |
bmp |
|
image/x-ms-bmp |
| CMU raster |
ras |
|
image/x-cmu-raster |
| Kodak Photo-CD |
pcd |
|
image/x-photo-cd |
| Computer Graphics Metafile |
cgm |
|
image/cgm |
| North Am. Presentation Layer Protocol |
|
|
image/naplps |
| CALS Type 1 or 2 |
mil cal |
|
image/x-cals |
| Fractal Image Format (Iterated Systems) |
fif |
|
image/fif |
| QuickSilver active image (Micrografx) |
dsf |
|
image/x-mgx-dsf |
| CMX vector image (Corel) |
cmx |
|
image/x-cmx |
| Wavelet-compressed (Summus) |
wi |
|
image/wavelet |
| AutoCad Drawing (SoftSource) |
dwg |
|
image/vnd.dwg |
| |
|
|
image/x-dwg |
| AutoCad DXF file (SoftSource) |
dxf |
|
image/vnd.dxf |
| |
|
|
image/x-dxf |
| Simple Vector Format (SoftSource) |
svf |
|
image/vnd.svf |
| |
|
|
also vector/x-svf |
| |
|
|
|
| Audio/Voice/Music Related Types |
|
|
|
| "basic"audio - 8-bit u-law PCM |
au snd |
|
audio/basic |
| Macintosh audio format (AIpple) |
aif aiff aifc |
|
audio/x-aiff |
| Microsoft audio |
wav |
|
audio/x-wav |
| MPEG audio |
mpa abs mpega |
|
audio/x-mpeg |
| MPEG-2 audio |
mp2a mpa2 |
|
audio/x-mpeg-2 |
| compressed speech (Echo Speech Corp.) |
es |
|
audio/echospeech |
| Toolvox speech audio (Voxware) |
vox |
|
audio/voxware |
| RapidTransit compressed audio (Fast Man) |
lcc |
|
application/fastman |
| Realaudio (Progressive Networks) |
ra ram |
|
application/x-pn-realaudio |
| NIFF music notation data format |
|
|
application/vnd.music-niff |
| MIDI music data |
mmid |
|
x-music/x-midi |
| Koan music data (SSeyo) |
skp |
|
application/vnd.koan |
| |
|
|
application/x-koan |
| Speech synthesis data (MVP Solutions) |
talk |
|
text/x-speech |
| |
|
|
|
| Video Types |
|
|
|
| MPEG video |
mpeg mpg mpe |
|
video/mpeg |
| MPEG-2 video |
mpv2 mp2v |
|
video/mpeg-2 |
| Macintosh Quicktime |
qt mov |
|
video/quicktime |
| Microsoft video |
avi |
|
video/x-msvideo |
| SGI Movie format |
movie |
|
video/x-sgi-movie |
| VDOlive streaming video (VDOnet) |
vdo |
|
video/vdo |
| Vivo streaming video (Vivo software) |
viv |
|
video/vnd.vivo |
| |
|
|
video/vivo |
| Special HTTP/Web Application Types |
|
|
|
| Proxy autoconfiguration (Netscape browsers) |
pac |
|
application/x-ns-proxy-autoconfig |
| See Chapter 6 |
|
|
application/x-www-form-urlencoded |
| See Chapter 9 |
|
|
application/x-www-local-exec |
| See Chapter 9 (Netscape extension) |
|
|
multipart/x-mixed-replace |
| See Chapter 9 and Appendix B |
|
|
multipart/form-data |
| Netscape Cooltalk chat data (Netscape) |
ice |
|
x-conference/x-cooltalk |
| Interactive chat (Ichat) |
|
|
application/x-chat |
| |
|
|
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| Application Types |
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| |
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| Text-Related |
|
|
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| PostScript |
ai eps ps |
|
application/postscript |
| Microsoft Rich Text Format |
rtf |
|
application/rtf |
| Adobe Acrobat PDF |
pdf |
|
application/pdf |
| |
|
|
application/x-pdf |
| Maker Interchange Format (FrameMaker) |
mif |
|
application/vnd.mif |
| |
|
|
application/x-mif |
| Troff document |
t tr roff |
|
application/x-troff |
| Troff document with MAN macros |
man |
|
application/x-troff-man |
| Troff document with ME macros |
me |
|
application/x-troff-me |
| Troff document with MS macros |
ms |
|
application/x-troff-ms |
| LaTeX document |
latex |
|
application/x-latex |
| Tex/LateX document |
tex |
|
application/x-tex |
| GNU TexInfo document |
texinfo texi |
|
application/x-texinfo |
| TeX dvi format |
dvi |
|
application/x-dvi |
| MacWrite document |
?? |
|
application/macwriteii |
| MS word document |
?? |
|
application/msword |
| WordPerfect 5.1 document |
?? |
|
application/wordperfect5.1 |
| SGML application (RFC 1874) |
|
|
application/sgml |
| Office Document Architecture |
oda |
|
application/oda |
| Envoy Document |
evy |
|
application/envoy |
| Wang Info. Tranfer Format (Wang) |
|
|
application/wita |
| DEC Document Transfer Format (DEC) |
|
|
application/dec-dx |
| IBM Document Content Architecture (IBM) |
|
|
application/dca-rft |
| |
|
|
|
| CommonGround Digital Paper (No Hands Software) |
|
|
application/commonground |
| FrameMaker Documents (Frame) |
doc fm frm frame |
|
application/vnd.framemaker |
| |
|
|
application/x-framemaker |
| Remote printing at arbitrary printers (RFC 1486) |
|
|
application/remote-printing |
| |
|
|
|
| Archive/Compressed Archives |
|
|
|
| Gnu tar format |
gtar |
|
application/x-gtar |
| 4.3BSD tar format |
tar |
|
application/x-tar |
| POSIX tar format |
ustar |
|
application/x-ustar |
| Old CPIO format |
bcpio |
|
application/x-bcpio |
| POSIX CPIO format |
cpio |
|
application/x-cpio |
| UNIX sh shell archive |
shar |
|
application/x-shar |
| DOS/PC - Pkzipped archive |
zip |
|
application/zip |
| Macintosh Binhexed archive |
hqx |
|
application/mac-binhex40 |
| Macintosh Stuffit Archive |
sit sea |
|
application/x-stuffit |
| Fractal Image Format |
fif |
|
application/fractals |
| Binary, UUencoded |
bin uu |
|
application/octet-stream |
| PC executable |
exe |
|
application/octet-stream |
| WAIS "sources" |
src wsrc |
|
application/x-wais-source |
| NCSA HDF data format |
hdf |
|
application/hdf |
| |
|
|
|
| Downloadable Program/Scripts |
|
|
|
| Javascript program |
js ls mocha |
|
text/javascript |
| |
|
|
application/x-javascript |
| VBScript program |
|
|
text/vbscript |
| UNIX bourne shell program |
sh |
|
application/x-sh |
| UNIX c-shell program |
csh |
|
application/x-csh |
| Perl program |
pl |
|
application/x-perl |
| Tcl (Tool Control Language) program |
tcl |
|
application/x-tcl |
| Atomicmail program scripts (obsolete) |
|
|
application/atomicmail |
| Slate documents - executable enclosures (BBN) |
|
|
application/slate |
| Undefined binary data (often executable progs) |
|
|
application/octet-stream |
| RISC OS Executable programs (ANT Limited) |
|
|
application/riscos |
| |
|
|
|
| Animation/Multimedia |
|
|
|
| Andrew Toolkit inset |
|
|
application/andrew-inset |
| FutureSplash vector animation (FutureWave) |
spl |
|
application/futuresplash |
| mBED multimedia data (mBED) |
mbd |
|
application/mbedlet |
| Macromedia Shockwave (Macromedia) |
|
|
application/x-director |
| Sizzler real-time video/animation |
|
|
application/x-sprite |
| PowerMedia multimedia (RadMedia) |
rad |
|
application/x-rad-powermedia |
| |
|
|
|
| Presentation |
|
|
|
| PowerPoint presentation (Microsoft) |
ppz |
|
application/mspowerpoint |
| PointPlus presentation data (Net Scene) |
css |
|
application/x-pointplus |
| ASAP WordPower (Software Publishing Corp.) |
asp |
|
application/x-asap |
| Astound Web Player multimedia data (GoldDisk) |
asn |
|
application/astound |
| Special Embedded Object |
|
|
|
| OLE script e.g. Visual Basic (Ncompass) |
axs |
|
application/x-olescript |
| OLE Object (Microsoft/NCompass) |
ods |
|
application/x-oleobject |
| OpenScape OLE/OCX objects (Business@Web) |
opp |
|
x-form/x-openscape |
| Visual Basic objects (Amara) |
wba |
|
application/x-webbasic |
| Specialized data entry forms (Alpha Software) |
frm |
|
application/x-alpha-form |
| client-server objects (Wayfarer Communications) |
wfx |
|
x-script/x-wfxclient |
| General Applications |
|
|
|
| Undefined binary data (often executable progs) |
|
|
application/octet-stream |
| CALS (U.S. D.O.D data format - RFC 1895) |
|
|
application/cals-1840 |
| Pointcast news data (Pointcast) |
pcn |
|
application/x-pcn |
| Excel spreadsheet (Microsoft) |
|
|
application/vnd.ms-excel |
| |
|
|
application/x-msexcel |
| |
|
|
application/ms-excel |
| PowerPoint (Microsoft) |
ppt |
|
application/vnd.ms-powerpoint |
| |
|
|
application/ms-powerpoint |
| Microsoft Project (Microsoft) |
|
|
application/vnd.ms-project |
| Works data (Microsoft) |
|
|
application/vnd.ms-works |
| MAPI data (Microsoft) |
|
|
application/vnd.ms-tnef |
| Artgallery data (Microsoft) |
|
|
application/vnd.artgalry |
| SourceView document (Dataware Electronics) |
svd |
|
application/vnd.svd |
| Truedoc (Bitstream) |
|
|
application/vnd.truedoc |
| Net Install - software install (20/20 Software) |
ins |
|
application/x-net-install |
| Carbon Copy - remote control/access (Microcom) |
ccv |
|
application/ccv |
| Spreadsheets (Visual Components) |
vts |
|
workbook/formulaone |
| Cybercash digital money (Cybercash) |
|
|
application/cybercash |
| Format for sending generic Macintosh files |
|
|
application/applefile |
| Active message -- connect to active mail app. |
|
|
application/activemessage |
| X.400 mail message body part (RFC 1494) |
|
|
application/x400-bp |
| USENET news message id (RFC 1036) |
|
|
application/news-message-id |
| USENET news message (RFC 1036) |
|
|
application/news-transmission |
| |
|
|
|
| Multipart Types (mostly email) |
|
|
|
| Messages with multiple parts |
|
|
multipart/mixed |
| Messages with multiple, alternative parts |
|
|
multipart/alternative |
| Message with multiple, related parts |
|
|
multipart/related |
| Multiple parts are digests |
|
|
multipart/digest |
| For reporting of email status (admin.) |
|
|
multipart/report |
| Order of parts does not matter |
|
|
multipart/parallel |
| Macintosh file data |
|
|
multipart/appledouble |
| Aggregate messages; descriptor as header |
|
|
multipart/header-set |
| Container for voice-mail |
|
|
multipart/voice-message |
| HTML FORM data (see Ch. 9 and App. B) |
|
|
multipart/form-data |
| Infinite multiparts - See Chapter 9 (Netscape) |
|
|
multipart/x-mixed-replace |
| |
|
|
|
| Message Types (mostly email) |
|
|
|
| MIME message |
|
|
message/rfc822 |
| Partial message |
|
|
message/partial |
| Message containing external references |
|
|
message/external-body |
| Message containing USENET news |
|
|
message/news |
| HTTP message |
|
|
message/http |
| |
|
|
|
| 2D/3D Data/Virtual Reality Types |
|
|
|
| VRML data file |
wrl vrml |
|
x-world/x-vrml
(changing to model/vrml)
|
| WIRL - VRML data (VREAM) |
vrw |
|
x-world/x-vream |
| Play3D 3d scene data (Play3D) |
p3d |
|
application/x-p3d |
| Viscape Interactive 3d world data (Superscape) |
svr |
|
x-world/x-svr |
| WebActive 3d data (Plastic Thought) |
wvr |
|
x-world/x-wvr |
| QuickDraw3D scene data (Apple) |
3dmf |
|
x-world/x-3dmf |
| |
|
|
|
| Scientific/Math/CAD Types |
|
|
|
| Chemical types -- to communicate information about chemical models |
|
|
chemical/* (several subtypes) |
| Mathematica notebook |
ma |
|
application/mathematica |
| Computational meshes for numerical simulations |
msh |
|
x-model/x-mesh
(evolving to model/mesh)
|
| Vis5D 5-dimensional data |
v5d |
|
application/vis5d |
| IGES models -- CAD/CAM (CGM) data |
igs |
|
application/iges
(evolving to model/iges?)
|
| Autocad WHIP vector drawings |
dwf |
|
drawing/x-dwf |
| |
|
|
|
Largely Platform-Specific Types |
|
|
|
Silicon Graphics Specific Types |
|
|
|
| Showcase Presentations |
showcase slides sc sho show |
|
application/x-showcase |
| Insight Manual pages |
ins insight |
|
application/x-insight |
| Iris Annotator data |
ano |
|
application/x-annotator |
| Directory Viewer |
dir |
|
application/x-dirview |
| Software License |
lic |
|
application/x-enterlicense |
| Fax manager file |
faxmgr |
|
application/x-fax-manager |
| Fax job data file |
faxmgrjob |
|
application/x-fax-manager-job |
| IconBook data |
icnbk |
|
application/x-iconbook |
| ? |
wb |
|
application/x-inpview |
| Installable software in 'inst' format |
inst |
|
application/x-install |
| Mail folder |
mail |
|
application/x-mailfolder |
| ? |
pp ppages |
|
application/x-ppages |
| Data for printer (via lpr) |
sgi-lpr |
|
application/x-sgi-lpr |
| Software in 'tardist' format |
tardist |
|
application/x-tardist |
| Software in compressed 'tardist' format |
ztardist |
|
application/x-ztardist |
| WingZ spreadsheet |
wkz |
|
application/x-wingz |
| Open Inventor 3-D scenes |
iv |
|
graphics/x-inventor |