AVI, which stands for audio video interleave, is a file container format used for video files. Since its introduction by Microsoft in 1992, it has become, more or less, the go-to container format for those that use Windows operating systems; it’s also commonly used in other popular OS, such as Linux and Mac. But finding a strong application for playing back .AVI files can be difficult, and though Windows OS includes Windows Media Player (WMP), it’s not all that great. This article takes a look at the best applications for playing back .AVI files, no matter your OS.