CAR File Extension

CAR file icon

Car Explorer Data Format

What is a CAR file?

The CAR extension is related to Car Explorer Data Format and is classified in the Data Files category, which contains 6196 files.

CAR files are supported by Linux, Windows and Mac OS. When working with CAR files, you can rely on 2 programs, including Insight II and Open Babel.

Programs that support CAR files

How to open a CAR file?

If you can’t open a CAR file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.

Insight II and Open Babel stand out as the preferred programs to manage CAR files effectively. To get the latest version of Insight II, open the Accelrys website where a universal installer for all operating systems is available.

When you finish installing Insight II, the system will automatically launch CAR files with it.

Set Insight II to open CAR by default

Change default apps on Mac

  1. Right-click or use Control + Left-click on the desired CAR file to access the file’s context menu;
  2. Choose "Open in Application" and click "Other";
  3. At the bottom of the window, you will see the "Enable" menu. It is already set to the default option, "Recommended Programs";
  4. Within this menu, select "All Programs" and then search for Insight II. Check the box next to "Always open in app" to make it the default program.

Set default programs for Windows

  1. Take the first step by right-clicking on your CAR file. Next, select "Open With" and then choose "Choose another app" from the available options;
  2. Find the Insight II application in the pop-up window and select it as your preferred program;
  3. Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening CAR files.

Easy CAR Troubleshooting

When facing challenges with CAR files, simple adjustments in your software can often solve the problem. Find helpful troubleshooting guidance below.

How do I know if my CAR file has been damaged?

CAR data files that have become corrupted may display one or more of the following symptoms:

  • Error alerts occur when actions are performed on the file;
  • The file exhibits poor performance during editing operations in Insight II;
  • When opening the file, errors occur or the inability to access its contents;
  • Unexplained CAR file size inflation;
  • Insight II or other programs stop responding or crash when trying to handle the file;

Why does Insight II quit or crash unexpectedly?

Lack of software updates is a possible reason behind Insight II crash. Keep your Accelrys products up to date by installing the latest updates.

Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.

What methods can be used to repair a damaged CAR file?

In a data recovery program, open the damaged CAR file and select the "Repair" menu option. Allow the recovery process to complete, which will automatically repair the damaged data files.

How to edit a CAR file?

To make changes to CAR files, you need specialized software that allows both opening and editing the data files. Online CAR editors offer fewer capabilities than applications optimized for Car Explorer Data Format.

Best CAR Editor Software in 2026

After analyzing the criteria, we have created a list of CAR editors available for use.

CAR Editor SoftwareDeveloperPlatformsOverall Rating
Insight IIAccelrysLinux4.3 out of 5 (39 reviews)