Y
Grammar file (Yaac)
Y
Compressed Amiga archive (YABBA)
YAL
Clipart library (Arts & Letters)
YBK
Yearbook file (Microsoft Encarta)
YUV
Graphics file (YUV)
YZ
Compressed file archive (YAC)
Y01
Secondary index file (Paradox)
Y02
Secondary index file (Paradox)
Y03
Secondary index file (Paradox)
Y04
Secondary index file (Paradox)
Y05
Secondary index file (Paradox)
Y06
Secondary index file (Paradox)
Y07
Secondary index file (Paradox)
Y08
Secondary index file (Paradox)
Y09
Secondary index file (Paradox)