(property law, England & Wales) Initialism of Law of Property (Miscellaneous Provisions) Act 1989.

A digital sound recording in MP3 format; a song file.

(computing, audio, software) MPEG-1 Audio Layer 3, an audio data compression format.

Initialism of Motion Picture Association of America. (Motion Picture Association since September 2019).

(computer graphics) Any of a group of computer file formats for the compression and storage of digital video and audio data. / (computer graphics) A computer file (as of a movie) in an MPEG format.

Moving Pictures Experts Group

A streamed audio file using MPEG Layer 2

(computing) Short for MPEG-4 Part 14; A file format for playing music and videos

An electronic device for playing digital audio files in the MP4 format (and, in many cases, also files in other formats).

An electronic device for playing digital audio files in the MP3 format (and, in many cases, also files in some other formats and/or including a radio function).