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Website  EXT   Filetype description                                    
    DotWhat  3H  Advent 3B2 Tag Header 
    FILExt  3H  Advent 3B2 Tag Header 
    File Extensions  3H  Advent 3B2 tag header 
    FILExt  3H  Al-Arabi Publisher Tag Header 
    File Extensions  3H  Al-Arabi Publisher tag header 
    FILExt  AHF  ASP Header 
    FILExt  ALH  Aladdin Interactive DSP Model Header File (Hitech Development AB) 
    DotWhat  ALH  Aladdin Interactive DSP Model Header File 
    Wikipedia  ASH  Assembly language header file - TASM 3.0 
    DotWhat  ASH  Borland TASM Assembler Header 
    FILExt  ASH  TASM Assembler Header 
    File Extensions  ASH  TASM header Assembly language 
    File Extensions  ASI  Assembly language header 
    Wikipedia  BA  Binary Archive - Scifer Archiver and Compression [External Header Mode] 
    DotWhat  BA  Scifer External Header Archive 
    FileInfo  BA  Scifer External Header Archive 
    File Extensions  BQY  NuFX with BLU header 
    TrID  BXY  NuFX archive (with Binary II header) 
 Header Hexdump:  0A 47 4C C3 E0 02 80 00 
    DotWhat  CH  Clipper 5 Header 
    FILExt  CH  Clipper Header 
    Wikipedia  CH  Clipper language header - CA Clipper 
    DotWhat  CHH  C++ Header 
    FILExt  CHH  C++ Header 
    File Extensions  CHH  C++ Header 
    DotWhat  CMP  CorelDRAW 4.0 Postscript Printer Header 
    File Extensions  CMP  CorelDraw header file for PostScript printer files 
    FILExt  CMP  CorelDRAW Postscript Printer Header 
    Wikipedia  CMP  Header file for PostScript printer files - CorelDRAW 
    DotWhat  CMU  Audio mono (short ints mono CMU header TIMIT) 
    Wikipedia  CSM  Borland C 4.x precompiled header file - BCW.EXE 
    DotWhat  CSM  Borland C++ 4.5 Precompiled header 
    FILExt  CSM  C++ Ver. 4.5 Precompiled Header (Borland Software Corporation) 
    File Extensions  DBHEADER  Download Boost header file 
    Wikipedia  DEF  Assembly header file - Geoworks 
    DotWhat  DEF  Geoworks Assembly Header File 
    FILExt  DEF  Geoworks Assembly Header File 
    File Extensions  DEF  Geoworks assembly header file 
    DotWhat  DPR  Project header 
    FILExt  DTF  Exchange Header File (Microsoft Corporation) 
    File Extensions  DTF  Microsoft Exchange header file 
    FILExt  ERS  Earth Resource Mapping Satellite Image Header 
    TrID  ERS  Earth Resource Mapping Satellite Image Header 
 Header Hexdump:  44 61 74 61 73 65 74 48 65 61 64 65 72 20 42 65  
    File Extensions  ERS  Earth Resource Satellite image header 
    DotWhat  ERS  Satellite image header (ER Mapper file) 
    FileInfo  FAL  Bitmap Graphic Header Information 
    File Extensions  FAL  Bitmap graphics image header information Q0 
    DotWhat  FAL  Bitmap graphics image header information 
    FILExt  GOH  Geoworks GOC Header 
    File Extensions  GOH  Geoworks Goc language header file 
    Wikipedia  GOH  Goc header file - Geoworks 
    DotWhat  GOH  Goc header 
    DotWhat  GSM  GSM w. header/QuickLink file 
    DotWhat  GSM  GSM w.o. header/VoiceGuide/RapidComm file 
    TrID  GSM  US Robotics GSM (with header) audio 
 Header Hexdump:  52 49 46 46 
    Wikipedia  H--  C—language header - Sphinx C-- 
    DotWhat  H--  Header file 
    FILExt  H--  Sphinx C-- Header File 
    File Extensions  H--  Sphinx C-- header file 
    DotWhat  H  C Program Header 
    File Extensions  H  C/C++ header file 
    FileInfo  H  C++ or Java Header File 
    Wikipedia  H  Header file (usually C language) - Watcom C/C 
    Cryer  H  Header file 
    FILExt  H  Header 
    FILExt  H__  C++ Header Seldom used C++ Header (same as H++ and H) 
    File Extensions  H__  seldom used C++ Header same as H++ and H 
    Wikipedia  H++  Header file - C 
    DotWhat  H++  Header file 
    File Extensions  H++  unusual C++ Header normally .H 
    DotWhat  HC  Header file 
    FILExt  HC  Header File 
    File Extensions  HC  Header file 
    Wikipedia  HC  Header file 
    DotWhat  HDR  1st Reader - Message header text 
    FILExt  HDR  ArcView Header File (ESRI) 
    File Extensions  HDR  ArcView header file 
    DotWhat  HDR  Database header 
    File Extensions  HDR  DataFlex header file 
    FILExt  HDR  InstallShield Setup Header (Acresso Software Inc.) 
    File Extensions  HDR  InstallShield setup header 
    TrID  HDR  InstallShield setup header 
 Header Hexdump:  49 53 63 28 
    Wikipedia  HDR  Message header text - Procomm Plus - 1st Reader 
    Wikipedia  HDR  PC-File Database header 
    FILExt  HDR  PC-File+ Database Header 
    File Extensions  HDR  Pc-File+ database header 
    DotWhat  HDR  ProComm Plus Message header text 
    FILExt  HDR  Procomm Plus Message Header 
    File Extensions  HDR  Procomm Plus message header 
    Wikipedia  HH  C header file 
    FileInfo  HH  C++ Header File 
    File Extensions  HH  C++ header file 
    FILExt  HH  C++ Header 
    DotWhat  HH  Header file 
    Cryer  HHF  HLA Header file 
    FileInfo  HHH  Power C Precompiled Header File 
    File Extensions  HHH  Power C precompiled header file 
    FILExt  HHH  Power C Precompiled Header 
    Wikipedia  HHH  Precompiled header file - Power C 
    DotWhat  HHH  Precompiled header 
    File Extensions  HP?  LoseThos C+ header file 
    Wikipedia  HPP  C header file - Zortech C - Watcom C/C 
    FILExt  HPP  C++ Builder 6 Program Header (Borland Software Corporation) 
    File Extensions  HPP  C++ header file 
    Cryer  HPP  C++ header file 
    FILExt  HPP  C++ Program Header 
    FileInfo  HPP  C++Builder Header File 
    FILExt  HPP  Zortech C++ Header 
    FILExt  HRH  C++ and Resources Common Header 
    DotWhat  HRH  Common header for resources and C++ 
    File Extensions  HRH  Common header for resources and C++ 
    FILExt  HSM  Assembly Language Header - University of Waterloo Engineering Convention 
    File Extensions  HSM  Assembly language header file 
    DotWhat  HSM  Assembly language header 
    Wikipedia  HXX  C header file 
    File Extensions  HXX  C++ header file 
    Cryer  HXX  C++ header file 
    DotWhat  HXX  C++ Header 
    FILExt  HXX  C++ Header 
    File Extensions  IDX  Header information file 
    FILExt  IDX  Stork Format Header Information 
    TrID  IMELODY  iMELODY sound/music (header less) 
 Header Hexdump:  4D 45 4C 4F 44 59 3A 
    FILExt  IMJ  JFIF File With a Microsoft Windows BMP Header 
    TrID  IMY  iMELODY sound/music (header less) 
 Header Hexdump:  4D 45 4C 4F 44 59 3A 
    File Extensions  JSH  Henter-Joyce Inc. Jaws Script Header File (Screen reader program) 
    FILExt  JSH  JAWS for Windows Script Header File (Freedom Scientific) 
    FILExt  JXX  C++ Header File 
    File Extensions  KTH  Audio (short ints mono 1024 byte kth standard header) 
    FileInfo  LDS  Linux Compile Time Header File 
    File Extensions  LDS  Linux compile time header file 
    DotWhat  LGO  Header and footer logo 
    Wikipedia  LGO  Logo for header and footer - SuperFax 
    FILExt  LGO  SuperFax Header/Footer Logo 
    File Extensions  LGO  SuperFax logo for header and footer 
    DotWhat  LOC  Localisation String Resource Header File 
    FILExt  LOC  Localisation String Resource Header File 
    File Extensions  LOC  Localisation string resource header file 
    FILExt  MOC  QT Meta-Object Compiler Header Files (Trolltech) 
    DotWhat  MPP2  mpeg 2 video header information 
    File Extensions  MPP2  mpeg 2 video header information 
    FILExt  NSH  Nullsoft Scriptable Install System (NSIS) Header/Include File 
    Wikipedia  NTR  Executable ASCII text file (strip header and rename) - netrun31.zip 
    Wikipedia  NTS  Executable ASCII text file (strip header and rename) - netsend1.zip 
    File Extensions  PCH  Microsoft C precompiled header 
    TrID  PCH  MS Visual C++ precompiled header 
 Header Hexdump:  56 43 50 43 48 30 
    DotWhat  PCH  Pre-compiled Header 
    Wikipedia  PCH  Precompiled header - Microsoft C/C 
    FileInfo  PCH  Precompiled Header File 
    Cryer  PCH  Precompiled header file 
    FILExt  PCH  Visual C PreCompiled Header (Microsoft Corporation) 
    TrID  PDB  Protein Databank (with HTML header) 
 Header Hexdump:  3C 
    DotWhat  PH  Perl header file 
    FileInfo  PH  Perl Header File 
    File Extensions  PH  Perl header file 
    Wikipedia  PH  Perl header file 
    FILExt  PH  PERL Header 
    FILExt  PH  Profan Header File (rgh-soft.de) 
    File Extensions  PH  Profan header file 
    File Extensions  PHC  Pegasus Mail header cache file 
    DotWhat  R0H  Fax header 
    File Extensions  R0H  Fax header 
    FILExt  RH  C++ Resource Header File (Borland Software Corporation) 
    File Extensions  RH  C++ resource header 
    Wikipedia  RH  Resource header file - Borland C 4.5 
    DotWhat  RH  Resource header file 
    Wikipedia  RH  Windows resource file header - RC.EXE 
    DotWhat  RSG  Compiled resource header (EPOC) 
    File Extensions  RSG  Compiled resource header (EPOC) 
    FILExt  RSG  EPOC Compiled Resource Header 
    Cryer  SBH  Rational robot header file 
    File Extensions  SDW  MrSID header file (ESRI picture file) 
    Wikipedia  SEN  Scifer Archive Format ( Internal Header Mode] 
    DotWhat  SEN  Scifer Internal Header Archive 
    FileInfo  SEN  Scifer Internal Header Archive 
    File Extensions  SYM  Borland C++ precompiled header file 
    Cryer  TH  Simplex database table header file 
    Wikipedia  TLH  Typelib Generated C/C Header - Visual C 
    File Extensions  TLH  Typelib generated C/C++ header file 
    FILExt  TOH  Infinity Game Engine Talk Table Override Header (BioWare Corp.) 
    File Extensions  TQL  Microsoft SQL Server query analyser header file 
    FILExt  TQL  SQL Server Query Analyzer Header File (Microsoft Corporation) 
    Wikipedia  UIH  Espire header file - Geoworks UI Compiler 
    File Extensions  UIH  Espire header file (Geoworks UI Compiler) 
    DotWhat  UIH  Espire header file 
    FILExt  UIH  Geoworks UI Compiler Espire Header 
    FILExt  USA  Office Header File (Microsoft Corporation) 
    FILExt  VH  Playstation Wave Bank Header Format (Sony Corporation of America) 
    File Extensions  VH  Sony PlayStation Wave Bank Header Format file 
    FILExt  Z  Zero Compiler Header File (Xeno Innovations Inc.) 
    File Extensions  Z  Zero compiler header file 

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