Similar to DWG

A2M - AudioToMidi Settings file
A3 - Unrelated Inventions Audiotools Show Log
A3D - Amapi 3D Modeling File
A3K - Yamaha A3000 Sampler File
A3L - Authorware Version 3.x Library
A41 - Authorware Version 4.x Library
A4L - Authorware Version 4.x Library

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