The majority of IPTV service providers provide playlists or M3U URLs to stream their programming on various devices. This article contains explanations for how to play downloaded M3U files if you are unfamiliar with the terms M3U files, M3U playlists, and M3U URLs. What Are M3U Files? A text file format with the.m3u extension is known as an M3U file. An M3U URL is essentially a representation of an M3U playlist when you get one from an IPTV service provider. When you open this URL after pasting it into your browser, an M3U file will be downloaded immediately. Information about the channel list is contained in this file, including channel names, URLs for channel sources, and channel reference numbers. For ease of access, this data is divided into various country groupings. Across all IPTV devices, the M3U file format is the most popular. File Format M3U There isn't a formal specification for the M3U file format. M3U is a plain text file with the.m3u extension if the text is encoded...