The built-in audio player cannot play my file. Which formats does it support?

The formats supported by the built-in audio player depend on the formats supported by your operating system.

Windows:

The supported formats depend on the installed codecs. Depending on the Windows version certain codecs are pre-installed, but you can install additional codecs.

You might want to install the Directshow Filters for Ogg to add support for Ogg Vorbis, Ogg Speex, Ogg Theora, Ogg FLAC, native FLAC, and WebM files.

See also

Additional information is available from Microsoft’s Codecs FAQ.

Linux:

On Linux systems the player uses GStreamer which supports most common audio formats, although some distributions might exclude some codecs due to licensing issues. For the widest format support make sure you install all of the GStreamer plugins available for your distribution.