Many different free file converters can be used to convert a WMA file to another audio format, such as MP3, WAV, FLAC, M4A, or M4R, among others. Some of them need to be installed on your computer before you can use them, but others can run entirely in your web browser.

File formats sometimes use the same or similar file extension letters and this can be confusing. You may think your file is a WMA file, but it could be something that just looks like it has a .WMA file extension.

For example, WMF (Windows Metafile), WMZ (Windows Media Player Compression), and WML (Wireless Markup Language) files use the same letters as WMA, but are not actually used for the same purposes as this audio file format.

Some other examples include Windows Media Photo files that use the .WMP file extension, as well as WAM (Worms Armageddon Mission) files.

Other types of WMA file formats
There are three sub-formats that a WMA file can exist in other than Windows Media Audio:

Windows Media Audio Professional: This lossy codec is similar to WMA in that most of the same encoding features are included. However, it also supports better entropy coding and more efficient stereo coding.
Windows Media Audio Lossless : This sub-format is intended to be used for archiving a WMA file as it compresses the audio data without losing any quality. After unpacking, the sound is identical to the original. Typical compression levels fall between 1.7:1 and 3:1.
Windows Media Audio Voice : This codec uses higher compression than standard WMA and competes with others such as Speex and ACELP. WMA Voice is used for low-bandwidth voice applications.

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