When you use this standard, you receive a video that is slightly lower-quality than typical VCR videos. Files that use the .m1v extension typically are MPEG-1 elementary streams that contain only video information.

Learn how to improve audio and video quality when using the Xbox app on a Windows device.

For more information about these file formats and to test your Windows Media Player client using sample files, visit the following Microsoft Windows Media Player Web page:

AC-3 is an audio codec that supports multi-channel (“surround sound”) audio. It's also known as Dolby Digital. On versions of Windows prior to Windows 11, version 24H2, the AC-3 codec is included. Beginning with Windows 11, version 24H2, the AC-3 codec is no longer included with Windows.

Learn about the network settings on your Xbox console and common network troubleshooting tests.

Play music and video in more formats and stream it to more places with Windows Media Player 12.

In the Microsoft Clipchamp video editor, you can add almost any type of video, image, or audio file to a project. Our video editor will accept MP4, MOV, WEBM, AVI, DIVX, FLV, 3GP, WMV, VOB, DCM, and MKV video container files, as well as a wide variety of video codecs.

It's best to convert videos to MP4, audio files to AAC or MP3 and image files to JPG or PNG. Even if your source files are already of these file types, converting them can still lead to smaller file sizes at no visible or audible quality loss.

Tips: For the best video playback experience, we recommend the following video encoding settings: If a file doesn't play, the format might be one that either Microsoft 365 or your mobile device doesn't support. Note: DRM-protected video files can't be played. Learn which types of video you can play on the OneDrive website.

There isn't a way to determine with absolute certainty the codec used to compress a file, but the following are your best options: To determine what codec was used with a specific file, play the file in the Player, if possible.