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To resolve this issue, try VLC media player. Using it, you can convert one or more MP4 videos to SWF format at a time.
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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. SMConverter is a straightforward MP4 to SWF converter software for Windows. On some devices, particularly mobile, opening this file type can be problematic. On Windows, it opens in Windows Media Player.
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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.
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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. 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. MPEG-4 (MP4) is a container video format that can store multimedia data, usually audio and video.
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