How to Show or Hide File Extensions in Windows 11 File Explorer
File extensions are the three- or four-letter endings like .txt or .jpg at the end of a filename that tell Windows 11 which program to use to open that file. Windows 11 hides these endings by default on all systems to keep your desktop looking clean.
Showing file extensions helps you spot dangerous files ending in .exe or .bat before you open them by mistake. You can turn them on in under 30 seconds using the View menu inside File Explorer .
Open Settings, navigate to System Advanced File Explorer , and toggle on “Show file extensions.” This simple adjustment displays the file type, like .docx or .jpg, directly in File Explorer .
What is File Explorer?
File Explorer is the built-in file manager you use to browse documents, folders, and drives on your PC.
How to Show File Extensions Using Settings
Windows 11 File Explorer offers a setting to show or hide file extensions. Turning on file extensions reveals the actual file type, such as `.txt` for text files or `.docx` for Word documents, which helps users identify files more accurately. This setting is found within the Windows 11 Settings app .
Step 1Open Settings
- Click the Start button (the Windows logo) at the bottom-left of your screen.
- Click Settings .
Or press the Win+I on your keyboard to open Settings quickly.
Step 2Go to System > Advanced
- In the Settings window, click System from the menu on the left.
- Scroll down on the right side.
- Click Advanced to open more options.

Step 3Find File Explorer Settings
- Under Advanced, look for File Explorer.
- Click to expand it.

Step 4Turn On File Extensions
- Look for the option labeled "Show file extensions."
- Click the switch to turn it On.

Step 5Close Settings
File extensions will now appear across all folders in File Explorer.
Other Ways to Show File Extensions
Windows 11 File Explorer settings control the visibility of file extensions. Managing document and program types through this method improves overall file organization.
Why Show File Extensions?
Windows 11 file extensions show you the exact type of file you have, such as a picture or document, by displaying the letters after the dot at the end of the file name. Turning them on helps you spot dangerous files disguised as normal documents and stops you from accidentally breaking a file when you rename it.- File extensions tell you exactly what type of file you're looking at (like a picture, document, or program).
- It helps avoid confusion, so you don't accidentally open the wrong kind of file.
- It makes managing your files easier and safer.
- Using the Settings app is quick and easy for anyone using Windows 11.
Summary
Windows 11 processes file extension visibility rapidly. Open Settings, navigate to System Advanced File Explorer, and toggle on "Show file extensions." File types become visible, supporting organization and security objectives. The adjustment requires minimal interaction.
How to force 🪟 Windows 11 to show file extensions?
Type 'File Explorer' into the taskbar search box and select the resulting match. Click 'View' in the ribbon menu, select 'Show', and check 'File name extensions.'
How to add file extensions on 🪟 Windows 11?
Launch the Windows File Explorer application to begin showing file extensions on Windows 11. Select “View” → “Show” and ensure the “File name extensions” option is checked. Full file extensions appear in File Explorer once this preference is active.
Was this guide helpful?
About the Author
Richard
Tech Writer, IT Professional
Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.
No comments yet — be the first to share your thoughts!