For Windows 11 For Windows 10

How to show/hide file extensions?

Other Windows 11 settings and usage are summarized, so please refer to it.

For folder options

Check it → Hide extensions Uncheck → Show extensions

For Registry Editor

Value data “0” → Show extension Value data “1” → Hide extension

For command prompt

That was how to show/hide file extensions in Windows 11. Please take a look at how to set up and use Windows 11. Also, please see related articles.