CONTENTS File Extension

CONTENTS file icon

MAC OS X

  • File Type contents
  • Developer Apple, Inc.
  • Popularity
    4.8 (38 votes)
  • Application macOS
  • Category Data Files

What is a CONTENTS file?

MAC OS X, identified by the CONTENTS extension, is a Data Files type and includes 6196 files.

The MAC OS X (CONTENTS) was developed by Apple, which created file format and 72 programs to work with them.

CONTENTS files are supported by Mac OS. To others a CONTENTS file, you can choose from 2 programs such as macOS and macOS X.

Programs that support CONTENTS files

How to open a CONTENTS file?

If you cannot open a CONTENTS file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

The most popular programs for working with CONTENTS files are macOS and macOS X. To install the latest version of macOS on your computer, visit the Apple website where you can download the version available for all operating systems.

After completing the installation, CONTENTS files should be recognized by the system and linked to macOS.

Set macOS as the default CONTENTS application

Changing the default program in Windows

  1. Right click on your CONTENTS file, then select "Open with" and click "Choose another application";
  2. From the options listed in the pop-up window, specifically choose macOS as the application to handle your CONTENTS file;
  3. Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.

Change the default app that opens a file on Mac

  1. Right-click or use Control + Left-click on the desired CONTENTS file to open a menu where you can choose from multiple actions;
  2. Select "Open in application" and click "Other";
  3. In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
  4. Select "All Programs" in this menu, and then search for macOS. Check the box next to "Always open in app" to make sure it’s the default option.

Troubleshooting guide for CONTENTS file complications

While CONTENTS files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.

How do I know if my CONTENTS file is corrupted?

Corrupted CONTENTS data files may have one or more of the following symptoms:

  • Opening the file results in an error or a failed attempt;
  • Opening the file in macOS or other programs causes them to hang or crash;
  • Unexpected expansion of the total size of the CONTENTS file;
  • Error messages appear while working with the file;

Why does macOS crash?

The likely cause of macOS crashing is lack of software updates. Install the latest updates available for Apple products.

Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.

How to repair a corrupted CONTENTS file?

Open the corrupted CONTENTS file in a recovery program and select the "Repair" menu item. Allow the recovery process to complete, which will automatically repair the damaged data files.