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Website  EXT   Filetype description                                    
    DotWhat  ~$~  1st Reader - Temporary File 
    FILExt  ~$~  1st Reader Temporary File 
    Wikipedia  ~$~  Temporary file - 1st Reader 
    FILExt  API  1st Reader Passed Parameter File 
    TrID  API  Adobe Acrobat Reader Plugin 
 Header Hexdump:  4D 5A 90 00 03 00 00 00 04 00 00 00 FF FF 00 00  
    Wikipedia  API  Passed parameter file - 1st Reader 
    DotWhat  AZW  Kindle eBook Reader File 
    FILExt  B_W  1st Reader Mono Binary Screen Image 
    File Extensions  B_W  1st Reader mono binary screen image 
    DotWhat  B1N  1st Reader - Mono and color binary screen image 
    FILExt  B1N  1st Reader Binary Screen Image 
    Wikipedia  B1N  Both mono and color binary screen image - 1st Reader 
    FILExt  BCD  ReaderRom Digital Library Book File (Inc. Reader Rom) 
    FILExt  BKI  IBM Softcopy Reader (Bookmanager) Bookshelf (and Book) Index File (IBM) 
    TrID  BKI  IBM Softcopy Reader (Bookmanager) Bookshelf (and Book) index file 
 Header Hexdump:  00 00 00 00 F1 4B F2 40 
    TrID  BKS  IBM Softcopy Reader (Bookmanager) book file 
 Header Hexdump:  42 4B 53 48 45 4C 46 3D 
    FILExt  BKS  IBM Softcopy Reader Bookmanager Book File (IBM) 
    File Extensions  BKS  IBM Softcopy Reader Bookmanager book file 
    FILExt  BNR  Binary News Reader File 
    FILExt  BOOK  ICE Book Reader Book File (ICE Graphics) 
    TrID  BOOK  ICE Book Reader Book File 
 Header Hexdump:  49 43 45 20 42 6F 6F 6B 20 52 65 61 64 65 72 00  
    DotWhat  CARO  Acrobat Reader 
    File Extensions  CBR  Comic Book Archive file or ComicBook Reader File 
    Wikipedia  CBR  Comic Book Reader (RAR file) - CDisplay and similar 
    File Extensions  CBZ  Comic Book Archive file or ComicBook Reader File 
    Wikipedia  CBZ  Comic Book Reader (ZIP file) - CDisplay and similar 
    DotWhat  CLR  1st Reader - Binary color screen image 
    FILExt  CLR  1st Reader Binary Color Screen Image 
    File Extensions  CLR  1st Reader color binary screen image 
    Wikipedia  CLR  Color binary screen image - 1st Reader 
    DotWhat  CMD  1st Reader - External Command Menu 
    FILExt  CMD  1st Reader External Command Menu 
    File Extensions  CMD  1st Reader external command menu 
    Wikipedia  CMD  External command menu - 1st Reader 
    FILExt  CSF  Brava Reader Content Sealed Format (Informative Graphics Corp) 
    File Extensions  CSF  Brava Reader content sealed format 
    File Extensions  DCG  Digocat Data File read by Digocat.exe (Digital Offline Catalog Reader) 
    File Extensions  DCS  1st Reader file 
    FILExt  DCS  1st Reader 
    File Extensions  DOS  1st Reader : External command file 
    FILExt  DOS  1st Reader External Command File 
    Wikipedia  DOS  External command file - 1st Reader 
    FILExt  EBK  Embiid Reader eBook (Embiid Inc.) 
    File Extensions  EBK  Embiid Reader eBook file 
    TrID  EBO  Microsoft Reader eBook annotations 
 Header Hexdump:  49 54 4F 4C 49 54 4C 53 
    DotWhat  EBO  Microsoft Reader Ebook Format 
    File Extensions  EBO  Microsoft Reader eBook Format 
    FILExt  EBO  Reader eBook Format (Microsoft Corporation) 
    FILExt  ESK  ESK Document Reader 
    FILExt  ETD  Acrobat eBook Reader EBX Transfer Data File (Adobe Systems Incorporated) 
    DotWhat  ETD  Acrobat eBook Reader EBX Transfer Data File 
    File Extensions  ETD  Acrobat eBook Reader EBX transfer data file 
    TrID  ETD  Acrobat eBook Reader EBX Transfer Data 
 Header Hexdump:  3C 
    FileInfo  ETD  Adobe Reader EBX Transfer Data File 
    File Extensions  FOL  1st Reader folder of saved messages 
    FILExt  FOL  1st Reader Saved Message Folder 
    Wikipedia  FOL  Folder of saved messages - 1st Reader 
    FileInfo  FZIP  Foxit Reader Add-on 
    DotWhat  HDR  1st Reader - Message header text 
    Wikipedia  HDR  Message header text - Procomm Plus - 1st Reader 
    FILExt  IBK  ICE Book Reader Professional Book File (ICE Graphics) 
    File Extensions  IBS  eBegin e-book reader 
    DotWhat  IGP  Igor Reader Sheet Music File 
    FILExt  IGP  Igor Reader Sheet Music File 
    File Extensions  IGP  Igor Reader Sheet Music File 
    DotWhat  ILSR  Iomega reader 
    FILExt  ILSR  Iomega Reader 
    File Extensions  ILSR  Iomega reader 
    Wikipedia  INFO  GNU info reader (output from texinfo) - unix 
    FILExt  INFO  UNIX GNU Info Reader File 
    File Extensions  INFO  UNIX GNU info reader 
    DotWhat  INS  1st Reader - Install Script 
    FILExt  INS  1st Reader Install Script 
    File Extensions  INS  1st Reader install script 
    Wikipedia  INS  Installation script - 1st Reader 
    FILExt  ITE  E-Tabs Reader File 
    File Extensions  ITE  E-Tabs Reader file 
    File Extensions  JSH  Henter-Joyce Inc. Jaws Script Header File (Screen reader program) 
    File Extensions  JSS  Henter-Joyce Inc. Jaws Script Source File (Screen reader program) 
    DotWhat  LIT  Microsoft Reader eBook File 
    File Extensions  LIT  Microsoft Reader eBook 
    TrID  LIT  Microsoft Reader eBook 
 Header Hexdump:  49 54 4F 4C 49 54 4C 53 
    FILExt  LIT  Reader eBook File (Microsoft Corporation) 
    DotWhat  LP  Document reader for downloading mortgage info 
    DotWhat  LRF  Sony eBook Reader Document 
    FileInfo  LRF  Sony Portable Reader File 
    Wikipedia  LRF  Unencrypted BroadBand eBook file - Sony Librie eBook reader 
    DotWhat  LRS  Librie Reader Source File 
    FileInfo  LRS  Librie Reader Source File 
    Wikipedia  LRX  Encrypted BroadBand eBook file - Sony Librie eBook reader 
    FileInfo  LRX  Sony Portable Reader File 
    DotWhat  LST  1st Reader - Keyboard Macro 
    FILExt  LST  1st Reader Keyboard Macro 
    File Extensions  LST  1st Reader keyboard macro 
    Wikipedia  LST  Keyboard macro - 1st Reader 
    FILExt  LXD  eDictionary Reader Dictionary Data File (PPCLINK) 
    FILExt  MRO  SharpEye Music Reader File 
    FILExt  NSI  NewsStand Reader (NewsStand Inc.) 
    File Extensions  NSI  NewsStand Reader file 
    FILExt  NYT  Times Reader Article (New York Times) 
    TrID  PDB  Palm Dictionary Reader 
    Wikipedia  PDF  Adobe's Portable Document Format - Adobe Acrobat Reader 
    FILExt  PDG  Chaoxing Reader Chaoxing Digital Library e-Book (Chaoxing Digital Library) 
    File Extensions  PDG  Chaoxing Reader Chaoxing digital library e-book 
    Wikipedia  PFB  Adobe Acrobat document - Adobe Acrobat Reader 
    File Extensions  PNT  MarkMail Qwk reader pointer file 
    FILExt  PNT  MarkMail Qwk Reader Pointers 
    Wikipedia  PNT  QWK reader pointer file - MarkMail 2.x 
    File Extensions  PTR  QMail Qwk reader pointer file 
    FILExt  PTR  QMail Qwk Reader Pointer 
    Wikipedia  PTR  QWK reader pointer file - QMail 
    DotWhat  PTR  QWK reader pointer file 
    File Extensions  QWK  Qwk reader message file 
    Wikipedia  QWK  QWK reader message file 
    FILExt  QWK  QWK Reader Message 
    FILExt  RBI  eBahn Reader (Bentley Publishers) 
    File Extensions  REP  Qwk reader reply file 
    Wikipedia  REP  QWK reader reply file 
    FILExt  REP  QWK Reader Reply 
    FILExt  RFD  Recogniform Desktop Reader Form Definition (Recogniform Technologies SpA) 
    Wikipedia  SCR  Script file source - TeleMate - Kermit - 1st Reader 
    FILExt  SET  1st Reader Configuration 
    File Extensions  SET  1st Reader configuration 
    Wikipedia  SET  Configuration file - 1st Reader 
    File Extensions  SWG  SWAG Pascal Snippets (SWAG Reader) 
    FILExt  SWG  Swag Reader Packet 
    TrID  SWG  Swag Reader Packet 
 Header Hexdump:  C3 
    FILExt  TRC  Times Reader Annotated Article (New York Times) 
    File Extensions  TRC  Times Reader annotated article 
    FILExt  UBK  Embiid Reader eBook (Embiid Inc.) 
    FILExt  XKS  IBM Softcopy Reader PDF Extended Bookshelf File (IBM) 
    TrID  XKS  IBM Softcopy Reader PDF Extended bookshelf file 
 Header Hexdump:  00 3C 00 3F 00 78 00 6D 00 6C 00 20 00 76 00 65  
    DotWhat  YBK  YanCEyWare Reader eBook 
    FileInfo  YBK  YanCEyWare Reader eBook 
    File Extensions  YBK  YanCEyWare Reader eBook 
    TrID  YBK  YanCEyWare Reader eBook 
    FILExt  ZN~  Zinio Reader Temporary File (Zinio Systems) 
    File Extensions  ZN~  Zinio reader temporary file 
    FILExt  ZNA  Zinio Reader File (Zinio Systems) 
    FILExt  ZNO  Zinio Reader Magazine (Zinio Systems) 
    File Extensions  ZNO  Zinio reader magazine file 
    Cryer  ZNO  Zinio Reader Magazine file 
    TrID  ZNO  Zinio Reader Magazine 
 Header Hexdump:  5A 4E 4F 
    FILExt  ZTE  E-Tabs Reader File 
    File Extensions  ZUB  Zubu Reader file 

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