Show file extensions in Windows 10

Updated: 04/01/2018 by Computer Hope
File extension

By default, file extensions are not displayed in Windows 10. For instance, the file mspaint.exe display as mspaint in File Explorer.

To view file extensions, follow the steps below.

  1. Open a new File Explorer window by pressing Windows key+E (hold down the Windows key on your keyboard and press E).
  1. Select the View tab.
  1. Check the box labeled File name extensions.

In File Explorer, select the View tab, then check File name extensions.