How to Show or Hide File Name Extensions in Windows 10 / 8 / 7?

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All Windows versions, including Win 7, 8, and 10, don’t show file name extensions for known file types with the default configuration. In other words, if a file type is associated with a valid program, Windows will show only a file name and not its extension. There is nothing wrong with this, but it might create unnecessary confusion sometimes when two files are available in a single folder with the same name. Sometimes showing hidden file extensions may be necessary when you are troubleshooting your Windows.

Showing known file types extensions:

Hidden known file types extensions:

In this gearupwindows article, we will guide you with simple steps to show or hide known file extensions in Windows 10/8/7.

How to Show or Hide File Name Extensions in Windows 10 / 8 / 7?

To turn on or turn off filename extensions, do the following steps:-

Step 1. Open Folder Options.

Step 2. In the Folder Options dialog, access the View tab.

Step 3. Check or uncheck the checkbox “Hide extensions for known file types” to show or hide the known file types extensions.

Step 4. Click the Apply button.

Step 5. Click the OK button.

Once you complete the above steps, depends upon the selection, you should show or hide known file types extension on Windows 10 / 8 / 7.

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