A .setup file extension is related to the Setup Assistant, a part of Apple Mac OS X (macOS) and used for its document files.

There is one other file type using
the SETUP file extension!

empty icon.setup - CryENGINE character data

Detailed description

Software that open setup file

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SETUP file extension - Apple Mac Setup Assistant document

What is setup file? How to open setup files?

File type specification:

Various data file type icon Various data file type

setup file icon: setup filetype icon

The .setup file extension is associated with the Apple Setup Assistant tool used to setup operating system after first start of Apple Mac computer, or clean installation of Mac OS X (macOS) operating system.

The .setup file stores various data for internal use of Setup Assistant.

The default software associated to open setup file:

macOS icon

Apple, Inc. logomacOS  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

Mac OS X icon

Apple, Inc. logoMac OS X  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Help how to open:

Use compatible tools to work with *.setup files.

How to convert:

Probably can be exported to other formats.

List of recommended software applications associated to the .setup file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open setup file, edit setup file, convert setup file, view setup file, play setup file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with setup file - Apple Mac Setup Assistant document

Click on the software link for more information about macOS. macOS uses setup file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

Main software associated with setup file by default:
macOS small icon macOS
Mac OS X small icon Mac OS X

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