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Found 6 file extension associations related to macOS and 6 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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macOS picture

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:

  • iMac Late 2009 or newer
  • MacBook Late 2009 or newer
  • MacBook Air 2010 or newer
  • MacBook Pro 2010 or newer
  • Mac Mini 2010 or newer
  • Mac Pro 2010 or newer

macOS icon

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

macOS related articles:

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 file

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

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

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

Other file extensions or file formats developed for use with macOS

fpbf file icon.fpbfinetloc file icon.inetloc

Common file extensions used by macOS

app file icon.appdmg file icon.dmgicns file icon.icnsplist file icon.plist

Comparison table of actions that macOS can perform with each of its associated file type beta

This table might not contain all possible associated or supported file types or may contain incorrect data.
If you need more information please contact the developers of macOS (Apple, Inc.), or check out their product website.

File type \ Action






























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