BTN file extension is for Button file Makeover
Similar to BTN
8U - Roman 8 extended character set printer font PageMaker91 - 91x91 dpi display font Ventura Publisher
96 - 96x96 dpi display font Ventura Publisher
@@@ - Screen files used in installation or instructions
A.D. /B.C. - Macintosh Assembly Source Code
A00 - Archive Section of a file distributed by archives
A01 - OzWin CompuServe E-mail/Forum Access SYSOP File
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