How To Change Extensions [Type ] Of A File.

Select The File Which Extensions You Want To Change.

1. Then Click On Organize [ Top Left On Computer Screen. 


2. After That Click On Folder And Search Options.


3. After Clicking On Folder And Search Options. You See 3 Options [ General, View, Search ].


4. Click On View And Click Or Unmark " Hide Extensions For Known File Types ".


5. Then Click On OK.

Now You Can Change Extensions [Type ] Of A File.