How to Show File Extensions in Windows 10 [DETAILED GUIDE]

by Vlad Turiceanu
Vlad Turiceanu
Vlad Turiceanu
Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming... read more
Affiliate Disclosure
Show File Extension Windows 10
To fix various PC problems, we recommend DriverFix:
This software will keep your drivers up and running, thus keeping you safe from common computer errors and hardware failure. Check all your drivers now in 3 easy steps:

  1. Download DriverFix (verified download file).
  2. Click Start Scan to find all problematic drivers.
  3. Click Update Drivers to get new versions and avoid system malfunctionings.
  • DriverFix has been downloaded by 0 readers this month.

Windows 10 by default hides the file extension from the user view in the File Explorer to keep the directory clean. However, at times you may need it to show file extensions in Windows 10. It also helps you in finding the right program to open a file in case Windows is unable to recognize the right program to run the file.

In this article, we have put together multiple methods to show file extension in Windows 10.

How can I see file extensions in Windows 10?

1. Use Windows File Explorer

  1. Open the File Explorer. Click the Folder icon in the taskbar or search for it using the Search bar.
  2. Make sure the Ribbon (top) is maximized, and you can see “File, Home, Share and View” tab.
  3. Click on the View tab.
    File Explorer - View - Show Hide - file Extension
  4. Check “File name Extensions” box under “Show/Hide” section.
  5. Now if you open any folder, you should be able to view the file name followed by the extension for all the files.

2. Show File Extension from Control Panel

  1. Press Windows Key + R.
  2. Type control and press OK.
  3. Click on the Appearance and Personalization tab.
    Control Panel - Personalization and appearances
  4. Click on File Explorer Options.
    File Explorer Options
  5. In the “File Explorer Options” window, click on the View tab.
  6. Under Advanced Settings, scroll down and uncheck the box “Hide extensions for known file types“.
    File Explorer Options - View tab- Show Extension
  7. Click Apply and click OK to save the changes. Windows 10 should show file extensions in File Explorer now.

Learn more about the incoming File Explorer Tabs feature by reading this piece.

3. Use the Registry Editor

  1. Press Windows Key + R to open Run.
  2. Type regedit and click OK.
  3. In the Registry Editor, navigate to the following path:
  4. And then navigate to Microsoft\Windows\CurrentVersion\Explorer\Advanced.
  5. In the right pane look for the “HideFileExt” DWORD value.HideFileExt- Registry Editor
  6. Right-click on “HideFileExt” DWORD and select “Modify”.Edit HideFuleExt - value 0
  7. In the value data, type 0 and click OK.
  8. Close the registry editor and check if the Windows 10 shows file extensions.


idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

This article covers:Topics: