STRINGS File Extension

STRINGS file icon

Text Strings Format

What is a STRINGS file?

Files with the STRINGS extension are associated with Text Strings Format and are categorized as System Files and Text Files, making up 566 files.

The Text Strings Format (STRINGS), created by Apple, is one of file format they developed, and they also built 72 programs to support them.

STRINGS files are supported by Mac OS. When working with STRINGS files, you can rely on 6 programs, including Xcode, TextEdit and Sublime Text.

Programs that support STRINGS files

How to open a STRINGS file?

If you can’t open a STRINGS 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 STRINGS files are Xcode, TextEdit and Sublime Text. To install the latest version of Xcode on your computer, visit the Apple website where you can download the version available for all operating systems.

Following installation, STRINGS files should be automatically opened with Xcode.

Set Xcode as your default STRINGS viewer

Changing the default program in Windows

  1. Right-click on your STRINGS 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 Xcode 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 STRINGS files.

Set default app to open files on Mac

  1. Right-click or Control + left-click on the desired STRINGS 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 Xcode. Check the box next to "Always open in app" to make sure it’s the default option.

How to edit a STRINGS file?

To edit STRINGS files, you need to install specialized software that allows you not only to open but also to modify system files. Online STRINGS editors usually provide fewer features than software created specifically for Text Strings Format.

Best STRINGS editors in 2026

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

STRINGS Editor SoftwareDeveloperPlatformsOverall Rating
Sublime TextSublime HQ PtyWindows, Mac OS, Linux4.8 out of 5 (42 reviews)
XcodeAppleMac OS4.6 out of 5 (41 review)
Atom-Windows, Mac OS, Linux4.3 out of 5 (39 reviews)
TextEditAppleMac OS4.2 out of 5 (42 reviews)

Solving Common STRINGS File Challenges

When issues arise with STRINGS 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 STRINGS file may be corrupted?

Corrupted STRINGS system 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 Xcode;
  • Attempts to open the file result in errors or failed results;
  • Unexplained increase in STRINGS file size;
  • The file causes Xcode or other programs to hang or crash during operation;

Why does Xcode crash?

Xcode 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 STRINGS file?

Use a data recovery program to open the damaged STRINGS 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 system files.