MP4 is one of the most popular and crucial video file formats. It is commonly used as a default format for recording videos on all devices. It’s also used for almost everything from sharing ...

Let's take a closer look. File extensions are things like .png or .mp4 at the end of a file name. The file extension is not ...

Next, select Rename from the pop-up menu, and edit the file extension to whatever format ... including but not limited to — ...