This video shows a few things you can do when you have set your folder options to show file extensions but it is not working. It actually shows how to see if the settings are changed in the Windows registry.
File extensions basically let you know what type of information is contained in a particular file. For example a note pad file has the .txt extension. This means it is a text file. The .jpeg or sometimes the .jpg is a file extension for a certain type of picture. The file extension can also mean that the file has a different attribute to another file. For you can have the same picture with a .bmp file extension or a .jpeg file extension.
This is from what are files extensions.
Please note: Editing your registry in Windows can cause your computer to crash if you do not know what you are doing, so please proceed at your own risk.File extensions not showing â€“ How to check the registry?1.
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