: Right-click the file and select Open with to use Windows Media Player or Movies & TV. Mac : Use QuickTime Player or the Apple TV app.
If you have the file but don't know what it is, you can often find the original source by pasting the ID into a search engine or using a YouTube link format: https://youtube.com . 7W7ycms92q7X mp4
If you are looking for help managing, playing, or converting this file, here are the most common solutions: 1. Playing the File : Right-click the file and select Open with