These two formats are OptimFrog and Tracker, both of which are uncommon. The main difference between this FULL version of K-Lite Codec Pack (Full) and the STANDARD version is that this one includes the ability to play two formats not included with STANDARD. K-Lite Codec Pack (Full) is the easiest way to get the decoders needed to view any movie, video clip, or video fragment you've recorded and exported to your PC. The installation of this package includes several video players, among them the well-known Media Player Classic and BSplayer, two of the most popular and well-established players. No matter your preferred player, with these codecs, you can access any video or audio file you want. Thanks to this package, you can play practically any movie or audio file you have stored locally on your computer.

K-Lite Codec Pack (Full) is one of the most complete and up-to-date codec packages for both video and audio.