To resolve this issue, try VLC media player. MP4 is a container that contains various kinds of data, so when there is a problem opening the file, it usually means that data in the container (an audio or video codec) is not compatible with the device’s OS. Copy the URL of the video Copy the FB video URL from the browser address bar to the clipboard, or right-click the video and select it from the context menu. On some devices, particularly mobile, opening this file type can be problematic. On Windows, it opens in Windows Media Player. There is no need for third-party software. Simply double-clicking the file opens it. MP4 files open in the operating system's default video player. Many consider MP4 to be one of the best video formats available today. It is also a popular video format for streaming over the Internet, such as on YouTube. The basic player is free and will allow you to view your movie files. It is compatible with a wide range of devices and operating systems, using a codec to compress file size, resulting in a file that is easy to manage and store. You can also convert the AVCHD files to MP4 or another Mac-compatible format by. Enter the URL, link or web address of the. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video. You can use this free Facebook converter (on this page) to convert videos into MP4 files for download to your device.

Facebook to mp4 converter online free