.A2I File Extension
File TypeAdlib Tracker II Instrument File
This file is saved in a binary format, which requires a specific program to read its contents.
What is an A2I file?
File created by Adlib Tracker II, an 18 channel FM audio tracking application; contains instrument samples accessed by Adlib Tracker II to create compositions.
NOTE: The original Adlib Tracker instrument file has the .INS extension.