#_Y_EXTENSIONS

.Y    Bison file (GNU Bison).
.Y    Yet Another Compiler Compiler/YACC file.
.Y    Yellow CYMK color separation channel.
.Y    yEnc-encoded file (Archivers, Usenet newsreaders, browsers, and other applications).
.Y2K  Y2K issues file = documentation/text.
.YAL  Clipart file (Arts & Letters).
.YAZ  ZIP archive file.
.YBK  Yearbook file (Microsoft Encarta).
.YCF  Yankee Clipper clipboard files (Yankee Clipper).
.YENC yEnc encoded file (Many applications, especially e-mail and Usenet news/mail clients).
.YGF  yWorks binary Graph Format file (yWorks' yEd Graph Editor).
.YGP  yoshinoGRAPH project file (Harukazu Yoshino's yoshinoGRAPH).
.YGZ  Compressed yoshinoGRAPH project file (Harukazu Yoshino's yoshinoGRAPH).
.YMG  Yahoo Messenger Group file (Yahoo Messenger).
.YNC  yENC encoded file (Many applications, especially e-mail and Usenet news/mail file attachments).
.YR   Yellow Reader configuration file (Yellow Reader).
.YW5  yWriter 5 project file (Spacejock's yWriter).
.YWC5 yWriter 5 file (Spacejock's yWriter).
.YY   Bison file (GNU Bison).
.YY   Yet Another Compiler Compiler/YACC file.
.YYY  Desktop wallpaper file (SpotInc's ScanOffix Pro).