Question: How to See File Extensions in Windows 10?
Contents

Open Control Panel > Appearance and Personalization.

Now, click on Folder Options or File Explorer Option, as it is now called > View tab.

In this tab, under Advanced Settings, you will see the option Hide extensions for known file types.

Uncheck this option and click on Apply and OK.

How do I see file extensions?

Windows 7 – How to display file extensions

  • Open Windows explorer, for example, open ‘Computer’ (My Computer)
  • Click the ‘Alt’ button on the keyboard to display the file menu.
  • Then select ‘Tools’ and ‘Folder options’
  • Open the ‘View’ tab then un-tick ‘Hide extensions for known file types’
  • Click ‘OK’ to save the changes.

How do I change the default file extension in Windows 10?

Windows 10 uses Settings instead of Control Panel to make changes to file type associations. Right-click the Start button (or hit the WIN+X hotkey) and choose Settings. Scroll down a little and select Choose default apps by file type. Locate the file extension you want to change the default program for.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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