Should We Be Taking Nuclear Threats More...
News1 min ago
No best answer has yet been selected by PatTheRat. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.According to this web-site..... http://www.fileformat.info/ext/a.htm
which is an exhaustive list of extensions, .AMR does not exist! So it is probably something somebody just thought of using. Which leads me to ask, can people copyright file extension names?