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Found 154 file extension associations related to macOS and 124 file formats developed specifically for use with macOS.

Platform, operating system:  Apple macOS / Mac OS X icon Apple macOS / Mac OS X

Go to: macOS description

Developer: Apple, Inc.

Apple software list & details

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Apple, Inc. logomacOS

Developer / company: Apple

macOS (previously Mac OS X) is Unix-based desktop operating system for iMac, MacBook, MacBook Air, MacBook Pro, Mac Mini and Mac Pro computers, developed by Apple, Inc.

The first version of is called macOS Sierra and it is successor of OS X El Capitan. It is distributed as a free upgrade through Mac App Store.

Most applications for Macs are used by home and office users, students and creatives. However, more and more specilized engineering and scientific software are also available for macOS.

The information about older OS X system on File-extensions.org are available here.

new macOS Sierra features:

  • Siri
  • Photos
  • Apple Pay
  • iCloud Drive
  • Picture in Picture
  • Auto Unlock
  • Universal Clipboard
  • Apple File System

Compatible computers:

  • Mac: late 2009 or newer
  • MacBook/MacBook (Retina): late 2009 or newer
  • MacBook Pro: mid-2010 or newer
  • MacBook Air: late 2010 or newer
  • Mac Mini: mid-2010 or newer
  • Mac Pro: mid-2010 or newer
  • iMac Pro: 2017

Version history:

  • macOS Sierra (10.12)
  • macOS High Sierra (10.13)

macOS icon

macOS icon png 128px
macOS icon
size: 128px x 128px (.png with transparency)

macOS related articles:

How to reset NVRAM on Mac - Reset NVRAM of MacBook, MacBook Pro, MacBook Air, iMac, Mac Pro and Mac Mini.

How to reset SMC on Mac - Reset SMC of MacBook, MacBook Pro, MacBook Air, iMac, Mac Pro and Mac Mini.

Create macOS High Sierra USB bootable drive - Create USB macOS High Sierra installation drive with createinstallmedia, Finder and Disk Utility.

Create macOS Sierra USB bootable drive - Create USB macOS Sierra installation drive with createinstallmedia, Terminal, Finder and DiskMaker X applications.

macOS picturemacOS works with the following file extensions:

Note: You can click on any file extension link from the list below, to view its detailed information. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. However most, if not all directly associated file extensions should be listed with its appropriate program. Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program.

macOS default file extension associations

The most common file formats used with the specific file extensions

app file icon.app file extension is used for Mac application package or core system service

cnf file icon.cnf file extension is used for Network configuration data

dmg file icon.dmg file extension is used for Apple Mac disk image

dump file icon.dump file extension is used for Dump data

icns file icon.icns file extension is used for Apple icon graphic format

pkg file icon.pkg file extension is used for Apple macOS (OS X) installer package

plist file icon.plist file extension is used for Apple property XML list

thm file icon.thm file extension is used for Thumbnail bitmap image

Other file extensions or file formats developed for use with macOS

3pm.8 file icon.3pm.8abcdg file icon.abcdgaction file icon.actionad file icon.adapdisk file icon.apdiskaplt file icon.apltappdownload file icon.appdownloadappledouble file icon.appledoubleas file icon.asbaseconfig file icon.baseconfigbashrc file icon.bashrcbash_history file icon.bash_historybootefisignature file icon.bootefisignaturebridgesupport file icon.bridgesupportbtree file icon.btreebundle file icon.bundleca file icon.cacannedsearch file icon.cannedsearchcertsigningrequest file icon.certsigningrequestchm file icon.chmclr file icon.clrcmx file icon.cmxcollection file icon.collectioncommon file icon.commoncomponent file icon.componentcontents file icon.contentscsstore file icon.csstoredart file icon.dartdefinition file icon.definitiondfont file icon.dfontdist file icon.distdmgpart file icon.dmgpartdonotpresent file icon.donotpresentds_store file icon.ds_storedvdr file icon.dvdrefi file icon.efiefires file icon.efiresemlxpart file icon.emlxpartexec file icon.execfailurerequests file icon.failurerequestsfdrp file icon.fdrpfile file icon.filefile file icon.filefileloc file icon.filelocfns file icon.fnsfpbf file icon.fpbfframework file icon.frameworkfs file icon.fsfseventsd file icon.fseventsdfseventsd-uuid file icon.fseventsd-uuidhang file icon.hanghelp file icon.helpicte file icon.icteindexCompactDirectory file icon.indexCompactDirectoryindexdirectory file icon.indexdirectoryindexpositions file icon.indexpositionsindexpositiontable file icon.indexpositiontableinetloc file icon.inetlocinprogress file icon.inprogressinss file icon.inssinstallhelper file icon.installhelperitc2 file icon.itc2journal_info_block file icon.journal_info_blockkeychain file icon.keychainkeytab file icon.keytablock_sync file icon.lock_synclproj file icon.lprojlrn file icon.lrnmenu file icon.menumetadata_never_index file icon.metadata_never_indexmkext file icon.mkextmonitorpanel file icon.monitorpanelnoindex file icon.noindexosax file icon.osaxosx file icon.osxpictclipping file icon.pictclippingpkinstallsandboxmanager file icon.pkinstallsandboxmanagerpref file icon.prefprefpane file icon.prefpaneprofile file icon.profileqfilter file icon.qfilterqlgenerator file icon.qlgeneratorqtz file icon.qtzrsrc file icon.rsrcsavedsearch file icon.savedsearchscbo file icon.scbosearchindexcache file icon.searchindexcacheservice file icon.servicesetup file icon.setupshadowindexcompactdirectory file icon.shadowindexcompactdirectoryshadowIndexGroups file icon.shadowIndexGroupsshadowIndexTermIds file icon.shadowIndexTermIdssigned file icon.signedsmi file icon.smispotlight-v100 file icon.spotlight-v100strings file icon.stringsstub file icon.stubsuit file icon.suitsupported file icon.supportedswidtag file icon.swidtagsync file icon.syncsystem file icon.systemtalf file icon.talfterm file icon.termterminal file icon.terminaltextclipping file icon.textclippingtool file icon.tooltrashes file icon.trashesvncloc file icon.vnclocvol file icon.volwebloc file icon.weblocwflow file icon.wflowwork file icon.workworkflow file icon.workflowxip file icon.xip_501 file icon._501

Common file extensions used by macOS

aae file icon.aaeapp file icon.appcnf file icon.cnfdmg file icon.dmgdump file icon.dumpicns file icon.icnspfx file icon.pfxpkg file icon.pkgpkg file icon.pkgplist file icon.plistswp file icon.swpthm file icon.thmttf file icon.ttfvcf file icon.vcf

Other file extensions associated with macOS

1 file icon.1abcdp file icon.abcdpapplescript file icon.applescriptbash_login file icon.bash_loginbash_logout file icon.bash_logoutbash_profile file icon.bash_profilebsh file icon.bshclipping file icon.clippingdata file icon.datadimg file icon.dimgfont file icon.fontmbox file icon.mboxmpkg file icon.mpkgndif file icon.ndifnetboot file icon.netbootoffsets file icon.offsetsp10 file icon.p10p7c file icon.p7cp7r file icon.p7rpgn file icon.pgnsh file icon.shspx file icon.spxsymlink file icon.symlinkzsh file icon.zsh

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