Abbreviation Definition
A.D. /B.C.Macintosh Assembly Source Code
A00Archive Section of a file distributed by archives
A01OzWin CompuServe E-mail/Forum Access SYSOP File
A01ARJ Multi-volume Compressed Archive
A10OzWin CompuServe E-mail/Forum Access SYSOP File
A11AIM Graphics file
A21Soundweb Firmware File
A2AAPLASCII EISPACK file
A2AIBM Voice Type Language Vocabels File
A2ASharp APL Workspace Export File
A2BA2B Player Playlist
A2MAudioToMidi Settings file
A3Unrelated Inventions Audiotools Show Log
A3DAmapi 3D Modeling File
A3KYamaha A3000 Sampler File
A3LAuthorware Version 3.x Library
A41Authorware Version 4.x Library
A4LAuthorware Version 4.x Library
A4PAuthorware File Without Runtime
A5WUnpackaged Authorware Windows File