Learn how to hide or show file extensions in Windows 11/10 File Explorer via Folder Options, Registry, Group Policy or CMD. It is better to set Windows to show them.

See extension. Windows 7 1. Launch Explorer 2. Select Tools/Folder Options/View 3. Uncheck Hide extensions for known file types. Windows 10 1. Launch Explorer and select View. 2. Check File name ...

Click Start, Computer to bring up a Windows Explorer window. 2. ... To view hidden file extensions, under Advanced Settings uncheck the box for Hide extensions for known file types.

Remove the checkmark next to Hide extensions for known file types. 5. Click OK. Presto! Now you’ll see file extensions in all Explorer views.

Hide Extensions Is the Default Starting with Windows 8.1, the extensions on DLL, OCX and other Windows systems files are displayed even in the default hidden mode (left column).

When the File Explorer Options screen appears, click on the View tab and scroll through the Advanced settings until you see an option labeled "Hide extensions for known file types". Now uncheck ...