File Extension Types that start with 'Y'
Y - Amiga Yabba Compressed ArchiveY - Desktop Color Separation Specification Yellow Layer
Y - Unknown Apple II
Y - Xcode Core Yacc Program
Y - Yacc: Yet Another Compiler - Compiler Grammar
Y01 - Paradox Secondary Index
Y02 - Paradox Secondary Index
Y03 - Paradox Secondary Index
Y04 - Paradox Secondary Index
Y05 - Paradox Secondary Index
Y06 - Paradox Secondary Index
Y07 - Paradox Secondary Index
Y08 - Paradox Secondary Index
Y09 - Paradox Secondary Index
Y2 - Plugh!
Y64 - Commandos 2 Game Mission
YAB - YaBasic Source
YAL - Arts & Letters Clipart
YANK - Unknown Apple II
YBAK - MindGenius Computer Aided Thinking File Backup
YBHTM - yBook HTML
YBK - Encarta Yearbook
YBM - Face Bitmap
YBS - YBS Compressed Archive
YBTXT - yBook Text
YC - YAC Compressed Archive
YCT - YahELite Chat Transcript
YDC - Yu - Gi-Oh! Power of Chaos Card Deck
YDK - Yusuf Data Recovery
YDL - YAODL 3D Scene Description
YDO - Yarston Text Editor Text Document
YEAH - Unknown Apple II
YEAR - Unknown Apple II
YEL - Yellow Color Separation
YENC - yEnc Encoded
YG0 - Paradox Secondary Index
YG1 - Paradox Secondary Index
YG2 - Paradox Secondary Index
YG3 - Paradox Secondary Index
YG4 - Paradox Secondary Index
YGD - Yougoodai Playlist
YGF - yEd Graph Editor Y Graph Format
YGM - YahooGroupManager Ver. 1.x Database
YGM2 - YahooGroupManager Ver. 2.x Database
YGN - yGen Project
YGO - Paradox Database - related
YHF - Your Honey Frame Shape
YIF - Graphic
YLD - SMS Yield Monitor Data
YLT - TheWord & Bible Companion Young's Literal Translation Bible
YM - Atari ST YM2149 Module / Song
YMA - YMAG Center Data Exchange
YMACRO - YaHoE
YMAP - MindGenius Computer Aided Thinking
YMG - Yahoo! Instant Messenger
YML - Ruby on Rails Database Configuration
YML - Sailfish Yacht Analyzer XML - based Data
YMP - MicroSim PCBoard Mapping
YN - Audio Utility Tuningwrench Compressed
YNC - yEnc Encoded
YNX - Seqmax Seqprest Compressed Audio
YORK - Unknown Apple II
YOU - Unknown Apple II
YOUD - Unknown Apple II
YPF - YahELite Configuration
YPK - MicroSim PCBoard Mapping
YPL - Yahoo! Player Playlist
YPS - Yahoo! Instant Messenger
YPT - Cryptic
YRM - Command & Conquer Yuri's Revenge Unofficial Multiplayer Map
YRO - Command & Conquer Yuri's Revenge Official Multiplayer Map
YSP - Bitmap Graphic
YUV - Color Space Pixel Format
YUV3 - CCIR 601 2:1:1 Bitmap
YV - Unknown Apple II
YV2 - Unknown Apple II
YWEMANIFEST - Yahoo! Widget Manifest
YWP - yWriter Project
YYC - Wave Sapphire Distribution
YZ - Unknown Apple II
YZ - YAC Compressed Archive
YZ1 - DeepFreezer Compressed Archive
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