TUR File Extension

Turing Program Source Format

File Type tur
Developer Holt Software
Popularity
4.1 (39 votes)
Application Windows Notepad
Category Developer Files

What is a TUR file?

Files with the TUR extension are specifically tied to Turing Program Source Format, a Developer Files type, and there are 1166 files in this category.

TUR file support extends to various operating systems, including Windows, Linux and Mac OS. To open a TUR file, you can choose from 4 programs such as Windows Notepad, Gedit and Notepad++.

Windows

Mac OS

TextEdit

Linux

Gedit

How to open a TUR file?

If you cannot open a TUR 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.

Thanks to their popularity, Windows Notepad, Gedit and Notepad++ are often the go-to programs for managing TUR files. If you need the newest version of Windows Notepad, just access the Microsoft website. From there you can download the installer compatible with all systems.

Once Windows Notepad is installed, the OS should configure it as the default tool for opening TUR files.

Make Windows Notepad the default TUR viewer

Change the default app to open files on Mac

Right click or use Control + Left Click on the desired TUR file to access a dropdown menu of actions;
Choose "Open in Application" and click "Other";
Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
In this menu, select "All Programs" and search for Windows Notepad. Check the box next to "Always open in app" to make it the default option.

Change a default app in Windows

Start by right-clicking on your TUR file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
Inside the popup window, scroll through the list of applications and specifically choose Windows Notepad as the application to associate with your TUR file;
Check the "Always use this app" checkbox and click "OK".

Finding answers to TUR file problems

If TUR files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

What can lead to sudden Windows Notepad crashes?

Insufficient updates for Microsoft products can cause Windows Notepad to crash. Be sure to regularly install the latest software updates.

A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.

What is the recommended approach to repair a damaged TUR file?

Use a recovery program to open the damaged TUR file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged developer files.

What are the ways to check if my TUR file is damaged?

Characteristics of corrupted TUR developer files can include:

The file encounters problems during the opening process or shows error indications;
Editing the archive in TextEdit is hampered by poor overall performance;
The file causes Windows Notepad or other software to hang or crash during various operations;
An unexplained increase in the size of the TUR file;
Actions performed on the file result in the appearance of error notifications;

How to edit a TUR file?

To modify TUR files, you need to install special software that makes it possible to open and edit developer files. Online TUR editors are more restricted compared to software designed for Turing Program Source Format.

Best TUR editors 2026

According to these factors, we have compiled a list of available TUR editors.

TUR Editor Software	Developer	Platforms	Overall Rating
TextEdit	Apple	Mac OS	4.8 out of 5 (40 reviews)
Gedit	GNOME	Linux	4.6 out of 5 (38 reviews)
Notepad++	Notepad++ Team	Windows	4.6 out of 5 (37 reviews)
Windows Notepad	Microsoft	Windows	4.2 out of 5 (37 reviews)

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