MP1 file extension is associated with MPEG-1 Audio Layer I, which is a standard audio compression format defined by the Moving Picture Experts Group (MPEG). MP1 files typically contain compressed audio data and are part of the MPEG-1 multimedia standard.

How to open an MP1 file:

1. Media Players:

VLC Media Player: A versatile and widely-used media player. Windows Media Player: On Windows, it may require additional codecs for full support. Winamp: A classic media player that supports various audio formats.

2. Audio Editing Software:

Programs that may open MP1 files:

1. VLC Media Player:

2. Windows Media Player:

3. Winamp:

Various apps that use files with MP1 extension: