How to Show File Extensions in Windows - View and Change File Types

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Want to show File Extensions in Windows 10? Not able to figure out which file is of what application type? Or are you willing to edit file extensions? You have landed on a right page. You can show file extensions in Windows 10 in just a few clicks.

How to Show File Extensions in Windows

What is Extension of a file?

The file extension in Windows consists of three letters positioned at the end of the title after the period, showing the file format type.

While the operating system does not focus on the extensions embedded in the file name after saving the file, Here is how you can do it and get your file extensions visible and editable.

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How to Show File Extensions in Windows?

Show File Extensions in Windows 10 and 8

  1. Open-File Explorer.
  2. Click the View tab.
  3. Click the Options button.
  4. Click the View tab.
  5. Uncheck option "Hide extensions for known file type"
  6. Click the Apply button.
  7. Click the OK button.
Show File Extensions

Once the steps have been finished, File Explorer will display extensions for known file types (e.g.,.txt,.exe, and.docx).

Not just extensions are visible now but you can also change them or edit them by pressing F2 or rename option. The best part is now files are easy to identify for file types and file formats.

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Show File Extensions in Windows 7

  • Select Start > Control Panel.
  • Double-click Appearance and Personalization in the Control Panel dialog.
  • Double-click Folder Options in the Appearance and Personalization dialog box or click Show Hidden Files and Folders under Folder Options.
  • Ensure that the Show Hidden Files and Folders are selected in the Folder Options dialog.
  • Click OK.
Read more about File Extensions and Popular Windows Applications at Microsoft Docs.

Show File Extensions in Windows Vista

  • In Windows Explorer, choose to Organize > Folder and Search Option.
  • Click the View tab in the Folder Options dialog box.
  • In Advanced Settings, select Show Hidden Files and Folders.
  • Deselect Hide Extensions for Known File Types.
  • Click OK.

How to Edit or Rename File Extensions

Now I assume that you have followed the point to Show File Extensions. Once you have done that step and the extensions are visible. It is very easy to edit them. 
  • Click on a file
  • Press F2 or Right Click >  Rename
  • Navigate cursor after DOT and Edit Extension
  • Hit Enter
That is it for this tutorial. Stay tuned for more Windows Guides on Hows.Tech.

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