If the codec is available, the Player installs it on your computer and then plays the file. If the codec is not available on the server (for example, because the codec wasn't ...

www.microsoft.com/windows/windowsmedia/player/faq/codec.mspx

Microsoft Windows Media ... Microsoft Windows Media codecs are automatically downloaded by Windows Media Player, including all Windows Media codec updates.

www.microsoft.com/windows/windowsmedia/format/codecdownload.aspx

This package can be used as an alternative to automatically downloading Windows Media Codecs, or to correct problems experienced with previously-downloaded codecs.

www.microsoft.com/downloads/details.aspx?familyid=06FCAAB7-DCC9-466B-B0C4-04DB144BB601&...

The codec takes advantage of the typical image simplicity and relative lack of motion to achieve a very high compression ratio. During the encoding process, the codec automatically ...

www.microsoft.com/windows/windowsmedia/forpros/codecs/video.aspx

In Microsoft Exchange Server 2010 Unified Messaging (UM), a codec is used to store voice mail messages. Another codec is used between an IP gateway or IP Private Branch ...

technet.microsoft.com/en-us/library/aa998670.aspx

The VC-1 codec is designed to achieve state-of-the-art compressed video quality at bit rates that may range from very low to very high. The codec can easily handle 1920 pixel ...

www.microsoft.com/windows/windowsmedia/howto/articles/vc1techoverview.aspx

This support comes in the form of a codec, which users will get from their camera manufacturer, either by downloading it, or provided with a new camera body.

www.microsoft.com/prophoto/downloads/codecs.aspx

AuraVision - Aura 1 Codec - YUV 411. BT20. Brooktree - MediaStream codec. BTCV. Brooktree - Composite Video codec. CC12. Intel - YUV12 codec. CDVC. Canopus - DV codec

www.microsoft.com/whdc/archive/fourcc.mspx

Intel Indeo 5.0 Video Codec; Intel Indeo(R) Video Interactive 32-bit Driver; Intel RAW YVU9 Video Driver; Lernout And Hauspie Codecs; Microsoft MPEG-4 Standard Video Codec

support.microsoft.com/kb/291948

Describes error messages and other problems that occur in Windows Media Player when you try to play an audio file or a video file. A resolution is provided.

support.microsoft.com/kb/926373