Solve : file extension's .......?

1.	Solve : file extension's .......?
Answer» can anyone tell me hw MANY file extension's does a file have ... also if a file fr example a MUSIC file is nt running on one particular software .... by changing or by deleting a file ext can v ..... EXECUTE it... Files have 1 exyension... Changing it will work DEPENDING on what type of file it is and what extension you are changing it to. There's not ENOUGH info to answer this completely.

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