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Website  EXT   Filetype description                                    
    File Extensions  ADIF  Amateur Data Interchange format specification 1.0 
    FILExt  ADS  ADA Package Specification 
    File Extensions  ADS  Ada Package Specification 
    Wikipedia  ADS  Ada Package Specification 
    FileInfo  ADS  Ada Specification File 
    Wikipedia  ASS  Amalgam Scene Specification - Halo 2 Map Editor 
    Wikipedia  AT3  Atrac 3 Sound/music file - All Sony devices and programs with the Atrac 3 specification 
    FILExt  C  Desktop Color Separation Specification Cyan Layer 
    FILExt  CATMATERIAL  CATIA Material Specification (Dassault Systèmes) 
    File Extensions  COMMS  Adobe Serial and Parallel Communications Protocols Specification 
    FILExt  DCS  Quark Desktop Color Separation Specification 
    FILExt  DIS  Data Import Specification Layout File (DATAIR Employee Benefit Systems Inc.) 
    File Extensions  DIS  DATAIR data import specification layout file 
    FILExt  DOS  Text File/DOS Specification Info 
    FILExt  DSC  PostScript Language Document Structuring Conventions Specification Version 3.0 
    File Extensions  DSC  PostScript Language Document Structuring Conventions Specification Version 3.0 
    FILExt  DST  MicroImages Priroda Lens Correction Photo-grammetric Distortion Values (radius/distortion pairs) Specification (MicroImages Inc.) 
    FILExt  ECD  Questionnaire Specification Language File 
    File Extensions  EXT32  Linux second extended filesystem specification 
    File Extensions  FTF  Client access data specification file (AS/400) (Client to Server) 
    File Extensions  GBF  General Bible Format Tagging Specification 
    File Extensions  HIREX  HIREx Data Specification 
    File Extensions  IGES  Graphics Exchange Specification 
    FILExt  IGES  Initial 2D/3D Graphics Exchange Specification 
    TrID  IGES  Initial Graphics Exchange Specification (IGES) data 
    Wikipedia  IGES  Initial Graphics Exchange Specification 
    TrID  IGS  Initial Graphics Exchange Specification (IGES) data 
    FILExt  INP  Tramo-Seats Input Specification File (Bank of Spain) 
    FILExt  JDX  J Database Exchange (JDX) O/R Mapping Specification (Software Tree Inc.) 
    FILExt  JED  JEDEC Programming Specification 
    File Extensions  JED  JEDEC programming specification 
    FILExt  K  Desktop Color Separation Specification Black Layer 
    FILExt  LFG  LensForge Lens Design Specification (Ripplon Software Inc.) 
    FILExt  LSI  Corel Layout Specification Instance SGML 
    File Extensions  LSI  Corel Layout Specification Instance SGML 
    FILExt  M  Desktop Color Separation Specification Magenta Layer 
    File Extensions  M  Desktop Color Separation specification magenta layer 
    FileInfo  MHS  Hardware Specification File 
    FileInfo  MSS  Software Specification File 
    File Extensions  NDSIS  Injury Surveillance Data Exchange specification 
    File Extensions  PDS  Portable Data Specification image data image format 
    FILExt  PKS  Oracle Package Specification 
    Wikipedia  PROTO  Message specification - Google Protocol Buffers 
    FILExt  PSF  HP-UX Software Distributor Product Specification File (Hewlett-Packard Development Company L.P.) 
    FILExt  PSF  MicroStation Plot Specification (Bentley Systems Incorporated) 
    File Extensions  PSF  MicroStation Plot specification file 
    FILExt  PSL  Accellera Property Specification Language Source Code File (Accellera) 
    File Extensions  PSL  Accellera property specification language source code file 
    Wikipedia  QFX  Quicken-specific implementation of the OFX specification - Intuit Quicken 
    FILExt  QSL  Questionnaire Specification Language File 
    FILExt  QTE  Questionnaire Specification Language File 
    File Extensions  RENDERMAN  Pixar RenderMan 3.1 specification 
    FILExt  SPC  Crimson Editor Language Specification (Ingyu Kang) 
    TrID  SPC  Crimson Editor language specification file 
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    FILExt  SPC  X-12-Arima Input Specification File (U.S. Census Bureau) 
    FILExt  SPEC  General Specification File 
    FILExt  SPS  Oracle Package Specification 
    File Extensions  TTO  Client access data specification file (AS/400) (Server to Client) 
    File Extensions  TWAIN  TWAIN 1.8 Specification (Adobe Acrobat) 
    FILExt  TXG  Questionnaire Specification Language File 
    FileInfo  UIS  WindowBlinds User Interface Specification 
    FILExt  VCG  Visualization of Compiler Graphs (VCG) Graphic Specification 
    FileInfo  VDM  VDM Specification 
    File Extensions  XMS  Microsoft eXtended Memory Specification (XMS) 
    FileInfo  XPS  XML Paper Specification File 
    File Extensions  XPS  XML paper specification format 
    FILExt  XPS  XML Paper Specification 
    TrID  XPS  XML Paper Specification 
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    FILExt  Y  Desktop Color Separation Specification Yellow Layer 

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