When you install Windows, you might notice that you see only filenames but no extensions. It can be very confusing to see just an icon that identifies a MS Word file, for example, but no .doc extension. Don’t worry, fixing this is easy – just go to Folder Options in Control Panel (or you can access it from the Tools menu in a Windows Explorer window) and open the View tab (you can have a look at this screenshot – FolderOptions.gif). In the Advanced Settings pane remove the mark in the checkbox in front of Hide Extensions for Known File Types and you are done!
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