You cannot "play" the M3U file itself. It contains URLs that point to the actual video streams.
Often, these files include the channel name, logo, and category (e.g., Sports, News, Movies). How to Set Up Your M3U Playlist Download channels 552252761 m3u
In this guide, we’ll break down what an M3U file is, how to set one up, and where to find working links safely. What is an M3U File? You cannot "play" the M3U file itself
now let's get started step one is to get a working M3U. playlist you can either get it from a provider or use free ones available. YouTube·TechVibes How to Set Up Your M3U Playlist In
Below is a drafted blog post that addresses this search intent by explaining what an M3U file is, how to use it, and how to safely find reputable sources for live TV streaming. How to Download and Use M3U Playlists for Live TV