amr

Amr is an extension of compressed audio file formats. It can be used by Quicktime software.

Adaptive Multi Rate is a compressed audio file. You may use Quicktime player to open this file format. 

Also you have chance to convert this file to different audio format by using AMR converter.

If you need yo cut or combine the audio files we can recommend you C_edit software that is definitely worth to try. 

What to use amr

Quicktime

which page related to amr file

https://support.apple.com/kb/DL837

amr Related Searches

You can check related links about amr fileextension.