411 REFERENCE · Wiktionary
.m4a
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
M4A
Translingual
Etymology
From mul en M4A, en w:MPEG-4 Audio 1 1.
Noun
mul noun
An extension for MPEG-4 Audio files.
Further reading
m4a
mul File formats