Prípona        Informácia
Y      Amiga Yabba Compressed Archive (Amiga)
Y     Xcode Core Yacc Program (Apple Computer, Inc.)
Y     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
Y     Yacc: Yet Another Compiler-Compiler Grammar File
Y     Desktop Color Separation Specification Yellow Layer
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 File (found on Golden Orchard Apple II CD Rom)
YBAK     MindGenius Computer Aided Thinking File Backup (Gael Ltd.)
YBHTM     yBook HTML File (Spacejock Software)
YBK     Encarta Yearbook
YBM     Face Bitmap
YBS     YBS Compressed Archive
YBTXT     yBook Text File (Spacejock Software)
YC     YAC Compressed Archive
YCT     YahELite Chat Transcript (David J. Binette)
YDC     Yu-Gi-Oh! Power of Chaos Card Deck (Konami Group)
YDK     Yusuf Data Recovery
YDL     YAODL 3D Scene Description (Silicon Graphics, Inc.)
YDO     Yarston Text Editor Text Document (YARSTON)
YEAH     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YEAR     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YEL     Yellow Color Separation (Adobe)
YENC     yEnc Encoded File
YG0     Paradox Secondary Index
YG1     Paradox Secondary Index
YG2     Paradox Secondary Index
YG3     Paradox Secondary Index
YG4     Paradox Secondary Index
YGF     yEd Graph Editor Y Graph Format (yWorks)
YGM     YahooGroupManager Ver. 1.x Database (GGNetworks)
YGM2     YahooGroupManager Ver. 2.x Database (GGNetworks)
YGN     yGen Project File (Spacejock Software)
YGO     Paradox Database-related File
YHF     Your Honey Frame Shape File (HotBounce programming & development)
YIF     Graphic
YLD     SMS Yield Monitor Data File (Ag Leader Technology, Inc.)
YLT     TheWord & Bible Companion Young’s Literal Translation Bible
YM     Atari ST YM2149 Module/Song (Atari)
YMA     YMAG Center Data Exchange File (Ymag)
YMACRO     YaHoE File
YMAP     MindGenius Computer Aided Thinking File (Gael Ltd.)
YMG     Yahoo! Instant Messenger (Yahoo!)
YML     Ruby on Rails Database Configuration File (Ruby on Rails Project)
YML     Sailfish Yacht Analyzer XML-based Data File (Techsail)
YMP     MicroSim PCBoard Mapping File
YN     Audio Utility Tuningwrench Compressed File
YNC     yEnc Encoded File
YNX     Seqmax Seqprest Compressed Audio File
YORK     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YOU     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YOUD     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YPF     YahELite Configuration (David J. Binette)
YPK     MicroSim PCBoard Mapping File
YPL     Yahoo! Player Playlist
YPS     Yahoo! Instant Messenger (Yahoo!)
YPT     Cryptic File
YRM     Command & Conquer Yuri’s Revenge Unofficial Multiplayer Map (Westwood Studios)
YRO     Command & Conquer Yuri’s Revenge Official Multiplayer Map (Westwood Studios)
YSP     Bitmap Graphic
YUV     Color Space Pixel Format
YUV3     CCIR 601 2:1:1 Bitmap
YV     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YV2     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YWEMANIFEST     Yahoo! Widget Manifest File (Yahoo! Inc.)
YWP     yWriter Project (Spacejock Software)
YYC     Wave Sapphire Distribution File
YZ     Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
YZ     YAC Compressed Archive
YZ1     DeepFreezer Compressed Archive (BinaryTechnology)