What is the M3URL file format?
A file with the .M3URL extension is a file known as SMIL MP3 Playlist. It belongs to the Settings Files category. This format is associated with N/A.
The reliable way to open a .M3URL file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .M3URL files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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