TOOL File Extension

TOOL file icon

Apple Mac OS X Terminal

  • File Type tool
  • Developer Apple, Inc.
  • Popularity
    4.5 (38 votes)
  • Application Terminal
  • Category Data Files

What is a TOOL file?

The TOOL file extension is linked to Apple Mac OS X Terminal and belongs to the Data Files category, which includes 6196 files.

The Apple Mac OS X Terminal (TOOL), created by Apple, is one of file format they developed, and they also built 72 programs to support them.

TOOL files are supported by Mac OS. When working with TOOL files, you can rely on 3 programs, including Terminal, macOS and macOS X.

Programs that support TOOL files

How to open a TOOL file?

If you can’t open a TOOL 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.

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

Following installation, TOOL files should be automatically opened with Terminal.

Set Terminal as your default TOOL viewer

Changing the default program in Windows

  1. Right-click on your TOOL file, then choose the "Open with" option and select "Choose another application" from the available options;
  2. From the list of applications in the pop-up window, find and select Terminal as your desired application;
  3. Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening TOOL files.

Set default app to open files on Mac

  1. Right-click or Control + left-click on the desired TOOL file to open a menu of available actions;
  2. Select "Open in application" and click "Other";
  3. Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
  4. Within this menu select "All Programs" and navigate to Terminal. Check the box next to "Always open in app" to make sure it’s the default option.

How to edit a TOOL file?

To edit TOOL files, you need to install specialized software that allows you not only to open but also to modify data files. Online TOOL editors usually provide fewer features than software created specifically for Apple Mac OS X Terminal.

Best TOOL editors in 2026

Taking into account the provided details, we have prepared a list of TOOL editors that match your needs.

TOOL Editor SoftwareDeveloperPlatformsOverall Rating
TerminalAppleMac OS4.5 out of 5 (42 reviews)

Solving Common TOOL File Challenges

When issues arise with TOOL files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.

What are the warning signs that my TOOL file may be corrupted?

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

  • Error messages appear during the course of working with the file;
  • Poor performance when editing a file in Terminal;
  • Attempts to open the file result in errors or failed results;
  • Unexplained increase in TOOL file size;
  • The file causes Terminal or other programs to hang or crash during operation;

Why does Terminal crash?

Terminal crashes can be caused by outdated software. Keep your Apple products up to date by installing the latest updates.

A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.

How to repair a corrupted TOOL file?

Use a data recovery program to open the damaged TOOL file and from the menu choose "Repair" function to start the repair process. Please be patient while the recovery process completes, which will automatically restore the damaged data files.