MP4 is a widely compatible file format that can support many video and audio codecs. It has become more popular than other formats like QuickTime, AVI, WMV, and MKV due to its features and ability to play on many devices without issues. MP4 is commonly used to embed video in PowerPoint presentations, for company promotional videos, and for downloading online videos to play on different media players or burn to DVDs. The format can support video codecs like H.264, HEVC, and audio codecs like MP3, AAC. MP4 files can be played on devices like iPhones, Android phones, Windows phones, and computers as well as through common media player programs and online video sites.