Are you missing the file format or file pop in extension part in Windows 10?

In Windows 10, this option is easy to access.

like follow the step-by-step instructions toenable or shut down the file extension in Windows 10.

Open file explorer to enable or disable the file extension

Step 3:

Tickthe check-box of File name & Extensions.

Check the screenshot below.

Check :

how to enable or disable file extensions in Windows 11

Check or uncheck the option “File name extensions” to show or hide the filename extensions