How to Change a TXT File to CFG in Windows 11
Changing a TXT file to a CFG file in Windows 11 is a straightforward process. All you need to do is rename the file extension from .txt to .cfg. This involves using the Windows File Explorer and enabling the option to see file extensions, allowing you to rename the file properly.
How to Change a TXT File to CFG in Windows 11
To change a TXT file to a CFG file in Windows 11, follow these simple steps. These steps will guide you through renaming the file and ensuring the new extension is applied correctly.
Step 1: Open File Explorer
First, you need to open File Explorer.
Just click on the folder icon in the taskbar or press the Windows key + E.
Step 2: Navigate to the TXT File Location
Locate the directory where your TXT file is stored.
You can either manually navigate through your folders or use the search bar at the top right of File Explorer to find your file.
Step 3: Enable File Extensions
To change the file extension, you first need to make file extensions visible.
Click on the "View" tab at the top of File Explorer, then check the box that says "File name extensions."
Step 4: Rename the TXT File
Right-click on the TXT file and select "Rename" from the context menu.
Highlight the ".txt" part of the file name and change it to ".cfg."
Step 5: Confirm the Change
Press Enter after renaming the file.
Windows will prompt you to confirm the change, warning you that the file may become unusable. Click "Yes" to confirm.
After completing these steps, the TXT file you renamed will now be a CFG file. You can open it with any text editor, and it will function just like any other configuration file.
Tips for Changing a TXT File to CFG in Windows 11
To make the process even smoother, here are some extra tips:
- Always make a backup of your original TXT file before renaming it, just in case something goes wrong.
- Ensure you have admin privileges if you’re trying to rename files in system directories.
- If you can’t see the "View" tab in File Explorer, try maximizing the window.
- Some configurations might require specific formatting; make sure your content is correctly formatted for CFG files.
- Use a reliable text editor like Notepad++ or Sublime Text to edit your CFG files.
Frequently Asked Questions
Do I need special software to rename a file extension?
No, you can do this directly through Windows File Explorer.
What if I can’t see the "File name extensions" option?
Make sure you are looking under the "View" tab in File Explorer. If it’s still missing, try updating your Windows or restarting your computer.
Can I change the file back to a TXT file?
Yes, simply rename the file extension back to .txt using the same method described above.
Will changing the file extension affect the file’s content?
No, it will only change how the file is recognized by the system. The content will remain the same.
Why is Windows warning me that the file might become unusable?
This warning is just a precaution. If the content of the file is formatted correctly for a CFG file, it will work fine.
Summary
- Open File Explorer.
- Navigate to the TXT file location.
- Enable file extensions.
- Rename the TXT file.
- Confirm the change.
Conclusion
Changing a TXT file to a CFG file in Windows 11 is a simple but essential task, especially for those who work with configuration files regularly. By following the steps outlined above, you can easily rename your file and ensure it functions as needed. Remember to back up your files and ensure you have the correct permissions before making any changes.
Understanding how to change a TXT file to a CFG file can save you time and make your workflow more efficient. If you’re interested in learning more about file extensions and their uses, plenty of resources are available online. Don’t hesitate to explore further and broaden your knowledge.
So go ahead, give it a try, and see how easy it is to manage your files with just a few clicks.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.