Would you like to learn how to configure a group policy to show the file extensions? In this tutorial, we will show you how to display the file extensions on Windows using a GPO.
• Windows 2012 R2
• Windows 2016
• Windows 2019
• Windows 10
• Windows 7
Equipment list
The following section presents the list of equipment used to create this tutorial.
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Tutorial GPO – Show hidden files and folders
On the domain controller, open the group policy management tool.
![Windows 2012 – Group Policy Management Windows 2012 - Group Policy Management](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2018/06/Windows-2012-Group-Policy-Management.webp)
Create a new group policy.
![Windows 2012 – Group Policy Objects Windows 2012 - Group Policy Objects](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2018/06/Windows-2012-Group-Policy-Objects.webp)
Enter a name for the new group policy.
![Windows – Add GPO Windows - Add GPO](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2020/10/Windows-Add-GPO.webp)
In our example, the new GPO was named: MY-GPO.
On the Group Policy Management screen, expand the folder named Group Policy Objects.
Right-click your new Group Policy Object and select the Edit option.
![Windows – Edit GPO Windows - Edit GPO](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2020/10/Windows-Edit-GPO.webp)
On the group policy editor screen, expand the User configuration folder and locate the following item.
Create a new folder option.
![GPO – Show file extension GPO - Show file extension](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2021/06/GPO-Show-file-extension.webp)
On the Advanced tab, select the option to show hidden files and folders.
Uncheck the option named Hide protected operating system files.
![GPO – Show hidden files and folders GPO - Show hidden files and folders](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2021/07/GPO-Show-hidden-files-and-folders.webp)
Click on the OK button.
To save the group policy configuration, you need to close the Group Policy editor.
Congratulations! You have finished the GPO creation.
Tutorial – Applying the GPO to display hidden files and folders
On the Group policy management screen, you need to right-click the Organizational Unit desired and select the option to link an existent GPO.
![Windows-2012-Applocker application Windows-2012-Applocker application](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2018/06/Windows-2012-Applocker-application.webp)
In our example, we are going to link the group policy named MY-GPO to the root of the domain.
![GPO- tutorial linking GPO- tutorial linking](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2020/10/GPO-tutorial-linking.webp)
After applying the GPO you need to wait for 10 or 20 minutes.
During this time the GPO will be replicated to other domain controllers.
On a remote computer, verify the folder options configuration.
![Windows – Show hidden files Windows - Show hidden files](https://d1ny9casiyy5u5.cloudfront.net/wp-content/uploads/2021/07/Windows-Show-hidden-files.webp)
In our example, we configured the folder options to show the hidden files and folders using a GPO.