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https://developer.apple.com/library/mac/documentation/Miscellaneous/Reference/UTIRef/Articles/System-DeclaredUniformTypeIdentifiers.html
https://developer.apple.com/library/mac/documentation/Miscellaneous/Reference/UTIRef/Articles/System-DeclaredUniformTypeIdentifiers.html


System-Declared Uniform Type Identifiers

The following tables list uniform type identifiers (UTIs) that are declared by the system as of OS X v10.4.

Note: These tables list only UTIs declared by the system. Other UTIs may be declared privately by Apple applications (Mail, for example) and third-party developers.

Table 1 lists UTIs that are defined by the system.

Table 1 System-defined uniform type identifiers

Identifier (Constant)
Conforms to
Tags
Comments
public.item (
kUTTypeItem
)
-
Base type for the physical hierarchy.
public.content (
kUTTypeContent
)
-
Base type for all document content.
public.composite-content (
kUTTypeCompositeContent
)
public.content
Base type for mixed content. For example, a PDF file contains both text and special formatting data.
public.data (
kUTTypeData
)
public.item
Base physical type for byte streams (flat files, pasteboard data, and so on).
public.database
-
Base functional type for databases.
public.calendar-event
-
Base functional type for scheduled events.
public.message (
kUTTypeMessage
)
-
Base type for messages (email, IM, and so on).
public.presentation
public.composite-content
Base type for presentations.
public.contact (
kUTTypeContact
)
-
Base type for contact information.
public.archive (
kUTTypeArchive
)
-
Base type for an archive of files and directories.
public.disk-image (
kUTTypeDiskImage
)
public.archive
Base type for items mountable as a volume.
public.text (
kUTTypeText
)
public.content, public.data
Base type for all text, including text with markup information (HTML, RTF, and so on).
public.plain-text (
kUTTypePlainText
)
public.text
.txt, text/plain
Text of unspecified encoding, with no markup. Equivalent to the MIME type text/plain
public.utf8-plain-text (
kUTTypeUTF8PlainText
)
public.plain-text
'utf8', NSStringPBoardType
Unicode-8
public.utf16-external-plain-​text (
kUTTypeUTF16ExternalPlain​Text
)
public.plain-text
'ut16'
Unicode-16 with byte-order mark (BOM), or if BOM is not present, an external representation byte order (big-endian).
public.utf16-plain-text (
kUTTypeUTF16PlainText
)
public.plain-text
'utxt'
Unicode-16, native byte order, with an optional byte-order mark (BOM).
com.apple.traditional-mac-​plain-text
public.plain-text
'TEXT'
Classic Mac OS text.
public.rtf (
kUTTypeRTF
)
public.text
'RTF ', .rtf, text/rtf, NeXT Rich Text Format 1.0 pasteboard type, NSRTFPBoardType
Rich Text.
com.apple.ink.inktext (
kUTTypeInkText
)
public.data
Opaque InkText data.
public.html (
kUTTypeHTML
)
public.text
'HTML', .html, .htm, text/html, Apple HTML pasteboard type
HTML text.
public.xml (
kUTTypeXML
)
public.text
.xml, text/xml
XML text.
public.source-code (
kUTTypeSourceCode
)
public.plain-text
Generic source code.
public.c-source (
kUTTypeCSource
)
public.source-code
.c
C source code.
public.objective-c-source (
kUTTypeObjectiveCSource
)
public.source-code
.m
Objective-C source code.
public.c-plus-plus-source (
kUTTypeCPlusPlusSource
)
public.source-code
.cp, .cpp, .c++, .cc, .cxx
C++ source code.
public.objective-c-plus-​plus-source (
kUTTypeObjectiveC​PlusPlusSource
)
public.source-code
.mm
Objective-C++ source code.
public.c-header (
kUTTypeCHeader
)
public.source-code
.h
C header file.
public.c-plus-plus-header (
kUTTypeCPlusPlusHeader
)
public.source-code
.hpp, .h++ , .hxx
C++ header file.
com.sun.java-source (
kUTTypeJavaSource
)
public.source-code
.java, .jav
Java source code
public.script
public.source-code
Base type for scripting language source code.
public.assembly-source
public.source-code
.s
Assembly language source code.
com.apple.rez-source
public.source-code
.r
Rez source code.
public.mig-source
public.source-code
.defs, .mig
Mig definition source code.
com.apple.symbol-export
public.source-code
.exp
Symbol export list.
com.netscape.javascript-​source
public.source-code, public.executable
.js, .jscript, .javascript, text/javascript
JavaScript.
public.shell-script
public.script
.sh, .command
Shell script.
public.csh-script
public.shell-script
.csh
C-shell script.
public.perl-script
public.shell-script
.pl, .pm, text/x-perl-script
Perl script.
public.python-script
public.shell-script
.py, text/x-python-script
Python script.
public.ruby-script
public.shell-script
.rb, .rbw, text/ruby-script
Ruby script.
public.php-script
public.shell-script
.php, .php3, .php4, .ph3, .ph4, .phtml, text/x-php-script, text/php, application/php
PHP script.
com.sun.java-web-start
public.xml
.jnlp, application/x-java, jnlp-file, application/jnlp
Java web start.
com.apple.applescript.text
public.script
.applescript
AppleScript text.
com.apple.applescript.​script
public.data
.scpt, 'osas'
AppleScript.
public.object-code
public.data, public.executable
.o
Object code.
com.apple.mach-o-binary
public.data, public.executable
Mach-O binary.
com.apple.pef-binary
public.data, public.executable
PEF (CFM-based) binary
com.microsoft.windows-​executable
public.data, public.executable
.exe, application/x-msdownload
Microsoft Windows application.
com.microsoft.windows-​dynamic-link-library
public.data, public.executable
.dll, application/x-msdownload
Microsoft dynamic link library.
com.sun.java-class
public.data, public.executable
.class
Java class.
com.sun.java-archive
public.data, public.executable, public.archive
.jar , application/java-archive
Java archive.
com.apple.quartz-​composer-composition
public.data, public.executable
.qtz , application/x-quartzcomposer
Quartz Composer composition.
org.gnu.gnu-tar-archive
public.data, public.archive
.gtar, application/x-gtar
GNU archive.
public.tar-archive
org.gnu.gnu-tar-archive
.tar, application/x-tar, application/tar
Tar archive.
org.gnu.gnu-zip-archive
public.data, public.archive
.gz, .gzip, application/x-gzip, application/gzip
Gzip archive.
org.gnu.gnu-zip-tar-archive
org.gnu.gnu-zip-archve
.tgz
Gzip tar archive.
com.apple.binhex-archive
public.data, public.archive
.hqx, application/mac-binhex40, application/mac-binhex, application/binhex
BinHex archive.
com.apple.macbinary-​archive
public.data, public.archive
.bin, application/x-macbinary, application/macbinary
MacBinary archive.
public.url (
kUTTypeURL
)
public.data
'url '
Uniform Resource Locator.
public.file-url (
kUTTypeFileURL
)
public.url
'furl'
File URL.
public.url-name
-
'urln'
URL name.
public.vcard (
kUTTypeVCard
)
public.data, public.content
'vCrd', .vcf, .vcard, text/directory, text/vcard, text/x-vcard, Apple Vcard, pasteboard type
vCard (electronic business card).
public.image (
kUTTypeImage
)
public.data, public.content
Base type for images.
public.fax
public.image
Base type for fax images.
public.jpeg (
kUTTypeJPEG
)
public.image
'JPEG', .jpg, .jpeg, image/jpeg
JPEG image.
public.jpeg-2000 (
kUTTypeJPEG2000
)
public.image
'jp2 ', .jp2, image/jp2
JPEG 2000 image.
public.tiff (
kUTTypeTIFF
)
public.image
'TIFF', .tif, .tiff, image/tiff, NeXT TIFF v4.0 pasteboard type, NSTIFFPBoardType
TIFF image.
public.camera-raw-image
public.image
Base type for digital camera raw image formats.
com.apple.pict (
kUTTypePICT
)
public.image
'PICT', .pic, .pct, .pict, image/pict, image/x-pict, image/x-macpict
PICT image
com.apple.macpaint-image
public.image
.pntg, 'PNTG'
MacPaint image.
public.png (
kUTTypePNG
)
public.image
'PNGf', .png, image/png
PNG image
public.xbitmap-image
public.image
.xbm, image/x-quicktime
X bitmap image.
com.apple.quicktime-image (
kUTTypeQuickTimeImage
)
public.image
'qtif', .qif, .qtif, image/x-quicktime
QuickTime image.
com.apple.icns (
kUTTypeAppleICNS
)
public.image
'icns', .icns
Mac OS icon image.
com.apple.txn.text-​multimedia-data (
kUTTypeTXNTextAnd​MultimediaData
)
public.data, public.composite-​content
'txtn'
MLTE (Textension) format for mixed text and multimedia data.
public.audiovisual-​content (
kUTTypeAudioVisual​Content
)
public.data, public.content
Base type for any audiovisual content.
public.movie
public.audiovisual-​content
Base type for movies (video with optional audio or other tracks).
public.video (
kUTTypeVideo
)
public.movie
Base type for video (no audio).
com.apple.quicktime-movie (
kUTTypeQuickTimeMovie
)
public.movie
'MooV', .mov, .qt, video/quicktime
QuickTime movie.
public.avi
public.movie
.avi, .vfw, 'Vfw ', video/avi, video/msvideo, video/x-msvideo
AVI movie.
public.mpeg (
kUTTypeMPEG
)
public.movie
'MPG ', 'MPEG', .mpg, .mpeg, .m75, .m15, video/mpg, video/mpeg, video/x-mpg, video/x-mpeg
MPEG-1 or MPEG-2 content.
public.mpeg-4 (
kUTTypeMPEG4
)
public.movie
'mpg4', .mp4, video/mp4, video/mp4v
MPEG-4 content.
public.3gpp
public.movie
.3gp, .3gpp, '3gpp', video/3gpp, audio/3gpp
3GPP movie.
public.3gpp2
public.movie
.3g2 , .3gp2 , '3gp2', video/3gpp2, audio/3gpp2
3GPP2 movie.
public.audio (
kUTTypeAudio
)
public.audiovisual-​content
Base type for audio (no video).
public.mp3 (
kUTTypeMP3
)
public.audio
'MPG3', 'mpg3', 'Mp3 ', 'MP3 ', 'mp3!', 'MP3!', .mp3, audio/mpeg, audio/mpeg3, audio/mpg, audio/mp3, audio/x-mpeg, audio/x-mpeg3, audio/x-mpg, audio/x-mp3
MPEG-3 audio.
public.mpeg-4-audio (
kUTTypeMPEG4Audio
)
public.audio, public.mpeg4
'M4A ', .m4a
MPEG-4 audio.
com.apple.protected-​mpeg-4-audio (
kUTTypeAppleProtected​MPEG4Audio
)
public.audio
'M4P ', 'M4B ', .m4p, .m4b
Protected MPEG-4 audio. (iTunes music store format)
public.ulaw-audio
public.audio
.au, .ulw, .snd, 'ULAW', audio/basic, audio/au, audio/snd
μLaw audio.
public.aifc-audio
public.audio
.aifc, .aiff, .aif, 'AIFC', audio/aiff, audio/x-aiff
AIFF-C audio.
public.aiff-audio
public.audio
.aiff, .aif, 'AIFF', audio/aiff, audio/x-aiff
AIFF audio.
com.apple.coreaudio-​format
public.audio
.caf, 'caff'
Core Audio format.
public.directory (
kUTTypeDirectory
)
public.item
Base type for directories.
public.folder (
kUTTypeFolder
)
public.directory
A plain folder (that is, not a package).
public.volume (
kUTTypeVolume
)
public.folder
A volume.
com.apple.package (
kUTTypePackage
)
public.directory
A package (that is, a directory presented to the user as a file).
com.apple.bundle (
kUTTypeBundle
)
public.directory
'BNDL', .bundle
A directory with an internal structure specified by Core Foundation Bundle Services. .
public.executable
-
Base type for executable data.
com.apple.application (
kUTTypeApplication
)
public.executable
Base type for applications and other launchable files.
com.apple.application-​bundle (
kUTTypeApplicationBundle
)
com.apple.package, com.apple.bundle, com.apple.application
'APPL', .app
Application bundle.
com.apple.application-file (
kUTTypeApplicationFile
)
com.apple.application public.data
'APPL'
Application file.
com.apple.deprecated-​application-file
com.apple.application​-file
'APPC', 'APPD', 'APPE', 'appe', 'CDEV', 'cdev', 'dfil'
Deprecated application file.
com.apple.plugin
com.apple.bundle, com.apple.package
.plugin
Plugin.
com.apple.metadata-​importer
com.apple.plugin
.mdimporter
Spotlight importer plugin.
com.apple.dashboard-​widget
com.apple.bundle, com.apple.package
.wdgt
Dashboard widget.
public.cpio-archive
public.data
.cpio
CPIO archive.
com.pkware.zip-archive
public.data, public.archive
.zip, application/zip
Zip archive.
com.apple.webarchive (
kUTTypeWebArchive
)
public.data, public.composite-​content
Web Kit webarchive format.
com.apple.framework (
kUTTypeFramework
)
com.apple.bundle
'FMWK', .framework
Framework.
com.apple.rtfd (
kUTTypeRTFD
)
com.apple.package, public.composite-​content
.rtfd
Rich Text Format Directory. That is, Rich Text with content embedding, on-disk format.
com.apple.flat-rtfd (
kUTTypeFlatRTFD
)
public.data, public.composite-​content
NeXT RTFD pasteboard type, NSRTFDPBoardType
Rich Text with content embedding, pasteboard format.
com.apple.resolvable (
kUTTypeResolvable
)
-
Items that the Alias Manager can resolve.
public.symlink (
kUTTypeSymLink
)
public.item, com.apple.resolvable
UNIX-style symlink.
com.apple.mount-point (
kUTTypeMountPoint
)
public.item, com.apple.resolvable
A volume mount point
com.apple.alias-record (
kUTTypeAliasRecord
)
public.data, com.apple.resolvable
'alis'
Alias record.
com.apple.alias-file (
kUTTypeAliasFile
)
public.data, com.apple.resolvable
Alias file.
public.font
public.data
Base type for fonts.
public.truetype-font
public.font
TrueType font.
com.adobe.postscript-font
public.font
PostScript font.
com.apple.truetype-​datafork-suitcase-font
public.truetype-font
.dfont, 'dfon'
TrueType data fork font.
public.opentype-font
public.font
.otf, 'OTTO'
PostScript OpenType font.
public.truetype-ttf-font
public.truetype-font
.ttf
TrueType OpenType font.
public.truetype-collection-​font
public.font
.ttc, 'ttcf'
TrueType collection font.
com.apple.font-suitcase
public.font
.suit, 'FFIL', 'ffil', 'sfnt', 'tfil'
Font suitcase.
com.adobe.postscript-lwfn​-font
com.adobe.postscript-​font
'LWFN'
PostScript Type 1 outline font.
com.adobe.postscript-pfb-​font
com.adobe.postscript-​font
.pfb
PostScriptType1 outline font.
com.adobe.postscript.pfa-​font
com.adobe.postscript-​font
.pfa
PostScriptType 1 outline font.
com.apple.colorsync-profile
public.data
.icc, .icm, .pf , 'prof'
ColorSync profile.
Table 2 lists UTIs used to identify alternate tags. You use these to specify alternate methods of tag identification in UTI declarations.

Table 2 Uniform type identifiers for alternate tags

Identifier
Conforms to
Comments
public.filename-extension
public.case-insensitive-text
Filename extension.
public.mime-type
public.case-insensitive-text
MIME type.
com.apple.ostype
public.text
Four-character code (type 
OSType
).
com.apple.nspboard-type
public.text
NSPasteboard type.
Table 3 lists third-party UTIs that the system redeclares as imported types.

Table 3 Imported uniform type identifiers

Identifier (Constant)
Conforms to
Tags
Comments
com.adobe.pdf (
kUTTypePDF
)
public.data, public.composite-​content
'PDF ', .pdf, application/pdf, Apple PDF pasteboard type
PDF data.
com.adobe.postscript
public.data
.ps, application/postscript
PostScript data.
com.adobe.encapsulated-​postscript
com.adobe.postscript
.eps, NeXT Encapsulated PostScript v1.2 pasteboard type
Encapsulated PostScript.
com.adobe.photoshop-​image
public.image
.psd, '8BPS, ' image/x-photoshop, image/photoshop, image/psd, application/photoshop
Adobe Photoshop document.
com.adobe.illustrator.ai-​image
public.image
.ai
Adobe Illustrator document.
com.compuserve.gif (
kUTTypeGIF
)
public.image
'GIFf', .gif, image/gif
GIF image.
com.microsoft.bmp (
kUTTypeBMP
)
public.image
'BMP ', 'BMPf', .bmp
Windows bitmap image.
com.microsoft.ico (
kUTTypeICO
)
public.image
.ico
Windows icon image.
com.microsoft.word.doc
public.data
'W8BN', .doc, application/msword
Microsoft Word data.
com.microsoft.excel.xls
public.data
'XLS8', .xls, application/vnd.ms-excel
Microsoft Excel data.
com.microsoft.powerpoint.​ppt
public.data, public.presentation
.ppt, 'SLD8', application/mspowerpoint
Microsoft PowerPoint presentation.
com.microsoft.waveform-​audio
public.audio
.wav, .wave, '.WAV', 'WAVE', audio/wav, audio/wave
Waveform audio.
com.microsoft.advanced-​systems-format
public.audiovisual-​content
.asf , 'ASF_', video/x-ms-asf
Microsoft Advanced Systems format.
com.microsoft.windows-​media-wm
public.movie, com.microsoft.advanced-​systems-format
.wm, video/x-ms-wm
Windows media.
com.microsoft.windows-​media-wmv
public.movie, com.microsoft.advanced-​systems-format
.wmv, video/x-ms-wmv
Windows media.
com.microsoft.windows-​media-wmp
public.movie, com.microsoft.advanced-​systems-format
.wmp, video/x-ms-wmp
Windows media.
com.microsoft.windows-​media-wma
public.audio, com.microsoft.advanced-​systems-format
.wma, video/x-ms-wma
Windows media audio.
com.microsoft.advanced-​stream-redirector
public.xml, public.audiovisual-​content
.asx, 'ASX_', video/x-ms-asx
Advanced Stream Redirector.
com.microsoft.windows-​media-wmx
public.audio, com.microsoft.advanced-​stream-redirector
.wmx , video-x-ms-wmx
Windows media.
com.microsoft.windows-​media-wvx
public.audio, com.microsoft.advanced-​stream-redirector
.wvx, video-x-ms-wvx
Windows media.
com.microsoft.windows-​media-wax
public.audio, com.microsoft.advanced-​stream-redirector
.wax, video-x-ms-wax
Windows media audio.
com.apple.keynote.key
com.apple.package, public.presentation
.key
Apple Keynote document.
com.apple.keynote.kth
com.apple.package, public.composite-​content
.kth
Apple Keynote theme.
com.truevision.tga-image
public.image
.tga, 'TPIC', image/targa, image/tga, application/tga
TGA image.
com.sgi.sgi-image
public.image
.sgi, '.SGI', image/sgi
Silicon Graphics image.
com.ilm.openexr-image
public.image
.exr
OpenEXR image.
com.kodak.flashpix.image
public.image
.fpx, image/fpx, application/vnd.fpx
FlashPix image.
com.j2.jfx-fax
public.fax
.jfx
J2 fax.
com.js.efx-fax
public.fax
.efx, image/efax
eFax fax.
com.digidesign.sd2-audio
public.audio
.sd2, 'Sd2f'
Digidesign Sound Designer II audio.
com.real.realmedia
public.movie
.rm, 'PNRM', application/vnd.rn-realmedia
RealMedia.
com.real.realaudio
public.audio
.ram, .ra , 'PNRA', audio/vnd.rn-realaudio, audio/x-pn-realaudio
RealMedia audio.
com.real.smil
public.xml
.smil, application/smil
Real synchronized multimedia integration language.
com.allume.stuffit-archive
public.data, public.archive
.sit, .sitx, application/x-stuffit, application/x-sit , application/stuffit
Stuffit archive.
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