A osinstallmessages file extension is related to the Mac OS X (macOS) operating system.

Detailed description

Software that open osinstallmessages file

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OSINSTALLMESSAGES file extension - macOS system data

What is osinstallmessages file? How to open osinstallmessages files?

File type specification:

System file type icon System file type

The osinstallmessages file extension is associated with the Mac OS X (macOS), an operating system for Mac and MacBook Pro computers developed by Apple, Inc.

The osinstallmessages file stores some kind of data used by OS X (macOS).

The default software associated to open osinstallmessages 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:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .osinstallmessages 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 osinstallmessages file, edit osinstallmessages file, convert osinstallmessages file, view osinstallmessages file, play osinstallmessages file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with osinstallmessages file - macOS system data

Click on the software link for more information about macOS. macOS uses osinstallmessages 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 osinstallmessages file by default:
macOS small icon macOS
Mac OS X small icon Mac OS X

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