How to Open Unrecognized File Extensions. In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension ...

M4a and Mp3 are two formats many people are conversant with from downloading audio files and video files on the internet.

Right-click the voice recording, and you will find an option to open the folder where all your audio recording files are saved as an m4a file format on your Windows computer.