Can’t see File Extension in Windows Explorer


I am not able to see file extensions in Windows.

Windows Explorer not showing File Extensions


To view the file extensions in Windows, go to Organize, then select Folder and search options as shown below.

Windows Explorer Organize Folder and Search Options

Under the View tab, uncheck Hide extensions for known file types, then click OK.

Windows Folder Options Hide Extensions for Known File Types

Now the file extensions will show in the Windows Explorer for any file type.

Windows Explorer showing file extensions.

In CAD, it is generally recommended to being able to see all file extensions. For instance, it is useful when renaming backup files to DWG file extension.