Extensions are the file format that decides whether the file would be compatible on a platform or not. There can be numerous reasons as why you would want to change the extension of a file. If you are failing to do so, then this article can help you out. So, here are the steps to modify the extension of a file.
Please read the originial post here: https://bestmcafee.com/how-to-modify-the-extension-of-a-file/