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File extension filetypes
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Website  EXT   Filetype description                                    
    File Extensions  ---  Backup 
    FILExt  ---  Microsoft Backup File Set (Microsoft Corporation
    File Extensions  ---  Temporary file 
    FILExt  ---  Windows Temporary File 
    File Extensions  -0  Hi-Scores 
    FILExt  -5  Audio Utility Tuningwrench Compressed File 
    File Extensions  -5  Audio Utility Tuningwrench compressed file 
    File Extensions  !!!  Read Me text file 
    File Extensions  !!!  Sometimes README text file format 
    File Extensions  !  Screensaver file 
    File Extensions  !@!  Windows backup of WIN.INI file 
    FILExt  !BT  BitTorrent Partially Downloaded File (Bram Cohen now maintained by BitTorrent Inc.) 
    FILExt  !C  Graphics Converter Pro 
    File Extensions  !C  ZX Spectrum Hobetta picture format 
    FILExt  !UT  µTorrent Incomplete Download (Ludvig Strigeus
    FileInfo  !UT  µTorrent Incomplete Download 
    File Extensions  !UT  uTorrent incomplete download file 
    Wikipedia  ###  Temporary file - program-dependent format 
    File Extensions  #$#  ULead Photoimpact temporary file 
    File Extensions  #01 - #99  Scanned picture files 
    File Extensions  #24  LocoScript printer file (24 pin) 
    Wikipedia  #24  Printer data file for 24 pin matrix printer - LogoScript 
    File Extensions  #24  Printer data file for 24 pin matrix printer 
    File Extensions  #GF  Font file 
    File Extensions  #GF  MetaFont font file 
    File Extensions  #IB  LocoScript printer data file 
    Wikipedia  #IB  Printer data file - LogoScript 
    File Extensions  #IB  Printer data file 
    Wikipedia  #NN  Part of file image - Long 
    File Extensions  #SC  LocoScript printer data file 
    Wikipedia  #SC  Printer data file - LogoScript 
    File Extensions  #SC  Printer data file 
    File Extensions  #ST  LocoScript standard mode printer definitions 
    Wikipedia  #ST  Standard mode printer definitions - LogoScript 
    File Extensions  #ST  Standard mode printer definitions 
    File Extensions  $#!  Aol5.0 Virchk file 
    FILExt  $$$  Backup 
    File Extensions  $$$  Mostly backup file format - many applications 
    Wikipedia  $$$  OS/2 archive file (i.e archives.$$$, keys.$$$) - OS/2 
    File Extensions  $$$  OS/2 operating system file type 
    FileInfo  $$$  Temporary File 
    FILExt  $$$  Temporary File 
    File Extensions  $$$  Temporary file 
    Wikipedia  $$$  Temporary file 
    FILExt  $$$  Used by OS/2 to keep track of archived files 
    FILExt  $$_  Midiprg Capella Compressed File 
    File Extensions  $$_  Midiprg Capella compressed file 
    FILExt  $$A  OS/2 (IBM) 
    File Extensions  $$A  OS/2 file 
    FILExt  $$F  OS/2 Database (IBM) 
    File Extensions  $$F  OS/2 database file 
    FILExt  $$M  3D GameStudio Backup Map (Conitec Datasystems Inc) 
    File Extensions  $$P  Notes 
    FILExt  $$P  OS/2 Notes (IBM) 
    File Extensions  $$P  OS/2 notes 
    FILExt  $$S  OS/2 Spreadsheet (IBM) 
    File Extensions  $$S  OS/2 spreadsheet 
    File Extensions  $$S  Spreadsheet 
    FILExt  $  BASIC VB VB1D Komp Symbole File 
    File Extensions  $  Visual Basic Symbol file 
    Wikipedia  $?  ZX Spectrum file in HOBETA format 
    FILExt  $00  DOS Pipe File 
    File Extensions  $00  Pipe also $01 $02... 
    Wikipedia  $00  Pipe file - DOS 
    File Extensions  $00  Pipe file (DOS) 
    FileInfo  $01  DOS Pipe File 
    FILExt  $01  DOS Pipe File 
    FILExt  $01  Midi File 
    File Extensions  $01  Midi file 
    File Extensions  $01  Pipe file (DOS) 
    FILExt  $02  DOS Pipe File 
    FILExt  $02  Midi File 
    File Extensions  $02  Midi file 
    FILExt  $03  DOS Pipe File 
    FILExt  $04  DOS Pipe File 
    FILExt  $05  DOS Pipe File 
    FILExt  $1  ZX Spectrum-Emulator 
    File Extensions  $1  ZX Spectrum file in HOBETA format 
    File Extensions  $1  ZX Spectrum file in HOBETA format 
    FILExt  $A  AutoCAD Autosave File (Autodesk Inc.) 
    FILExt  $AC  $&Sense Data File (Monogram Software/Software Toolworks/The Learning Company
    FILExt  $AC  AutoCAD Autosave File (Autodesk Inc.) 
    FILExt  $B5  Apple II ProDOS 16 or GS/OS Shell Application (Apple Inc.) 
    FILExt  $C  Graphics Converter Pro 
    File Extensions  $C  ZX Spectrum Hobetta picture format 
    File Extensions  $D$  Data 
    FILExt  $D$  OS/2 Planner Data File 
    File Extensions  $D$  OS/2 Planner data 
    File Extensions  $DB  dBase IV temporary 
    FILExt  $DB  dBASE Temp File 
    FileInfo  $DB  dBASE Temporary File 
    File Extensions  $DB  dBASE temporary file 
    Wikipedia  $DB  Temporary file - dBASE IV 
    FILExt  $DX  Ca Visual Objects Platform for Developer (CAVO) Backup Index File (CA) 
    FILExt  $ED  C Editor Temporary File (Microsoft Corporation
    FILExt  $ED  C/C++ Temporary Editor File (Microsoft Corporation
    Wikipedia  $ED  Editor temporary file - MS C 
    File Extensions  $ED  Editor temporary file 
    File Extensions  $ED  Ms C editor temporary file 
    FileInfo  $ER  GroupWise Database 
    FILExt  $EU  Midiprg Mustat Compressed File 
    File Extensions  $EU  Midiprg Mustat compressed file 
    FILExt  $ID  Cubase Compressed File (Steinberg
    File Extensions  $ID  Midiprg Steinberg Cubasis compressed file 
    FILExt  $LL  Cubase Compressed File (Steinberg
    File Extensions  $LL  Midiprg Steinberg Cubasis compressed file 
    File Extensions  $LN  Borland C++ TLink response file 
    FILExt  $LN  C++ TLink Response File (Borland Software Corporation
    File Extensions  $LN  TLink response file 
    File Extensions  $MSF  Mac File Type 
    FILExt  $NG  Midiprg Mustat Compressed File 
    File Extensions  $NG  Midiprg Mustat compressed file 
    Wikipedia  $O1  Pipe file - DOS 
    File Extensions  $O1  Pipe file (DOS) 
    FILExt  $OL  DOS Pipe File 
    File Extensions  $OL  DOS pipe file 
    FILExt  $ON  Cubase Fonts Compressed File (Steinberg
    File Extensions  $ON  Midiprg Steinberg Cubasis Fonts compressed file 
    FILExt  $RI  Cubase Audio Compressed File (Steinberg
    File Extensions  $RI  Midiprg Steinberg Cubasis Mme_mpu compressed file 
    FILExt  $RR  Cubase Compressed File (Steinberg
    File Extensions  $RR  Midiprg Steinberg Cubasis compressed file 
    FILExt  $S  Graphics Converter Pro 
    File Extensions  $S  ZX Spectrum Hobetta picture format 
    FILExt  $TF  Cubase Fonts Compressed File (Steinberg
    File Extensions  $TF  Midiprg Steinberg Cubasis Fonts compressed file 
    Wikipedia  $VM  Virtual manager temporary file - Windows 3.x 
    File Extensions  $VM  Virtual manager temporary file 
    FILExt  $VM  Windows 3.x Virtual Manager Temp File (Microsoft Corporation
    File Extensions  $VM  Windows 3.x Virtual Manager temporary file 
    File Extensions  $WM  Epson creativ studio 30 example file 
    FILExt  $WM  Epson Creative Studio Example File (Epson Corporation
    File Extensions  $XE  Midiprg Mustat compressed file 
    FILExt  $XE  Mustat Compressed Audio File 
    &  & 
    &  AMP 
    FILExt  (D)  pcAnywhere Temporary File 
    Wikipedia  )2(  LHA archiver temporary file - LHA 
    FILExt  )2(  LHA Archiver Temporary File 
    File Extensions  )2(  LHA archiver temporary file 
    File Extensions  ..CT  Mac File Type 
    File Extensions  .0  (0-99) Hacha Split File 
    File Extensions  .0  Compressed harddisk data file 
    File Extensions  .0  Compressed harddisk data 
    File Extensions  .0  Inno Setup Binary File 
    File Extensions  .0  Intel WebOutfitter Service Verification Utility 
    File Extensions  .0  Javasoft JRE 1.3 lib file 
    File Extensions  .BMP  Windows BitMap image or Mac File Type 
    File Extensions  .OBJ  Mac File Type 
    File Extensions  .OBX  Mac File Type 
    File Extensions  .PCX  Mac File Type 
    File Extensions  .POZ  Mac File Type 
    File Extensions  .WMF  Mac File Type 
    File Extensions  .WP4  Mac File Type 
    File Extensions  .WP5  Mac File Type 
    File Extensions  .WP6  Mac File Type 
    File Extensions  ??$  Ms Compress archive 
    File Extensions  ???  Yamaha A3000 sample file 
    TrID  ??_  Microsoft KWAJ compressed (Phil Katz's 'deflate') 
 Header Hexdump:  4B 57 41 4A 88 F0 27 D1 03 00 
    File Extensions  ??_  Ms Compress archive 
    TrID  ??_  Stirling Technologies InstallShield compressed 
 Header Hexdump:  2A AB 79 D8 00 01 00 00 43 6F 70 79 72 69 67 68  
    File Extensions  ??MPE  MP3 Digital Player Wrapper 
    File Extensions  ??Z  Compress/Gzip Unix Archive 
    File Extensions  ?Q?  SQ (Squeeze) Archive 
    File Extensions  ?RS  WordPerfect Support File 
    FILExt  @@@  Codeview for C (Microsoft Corporation
    File Extensions  @@@  Screen files used in the installation and instruction by e.g. Microsoft Codeview for C 
    FILExt  @@@  Screen Files 
    FILExt  @HA  E-mail Animator (IMSI/Design LLC) 
    FILExt  [B]  Amiga Paint File (Amiga
    File Extensions  [B]  Image Amica Paint 
    File Extensions  ^  Temporary file 
    FileInfo  ^^^  Pervasive SQL Database File 
    File Extensions  ^FSF  Mac File Type 
    Wikipedia  ___  Adinf table - Adinf 
    FILExt  ___  Adinf table 
    File Extensions  ___  Adinf table 
    File Extensions  ___  Temporary file 
    FILExt  ___FPE  Folder Password Expert Protected Folder (ZQS Software Team
    FILExt  __INCOMPLETE___  WinMX Incomplete Download (Frontcode Technologies
    File Extensions  _00  Midiprg Soundtrack compressed file 
    FILExt  _00  Soundtrack Compressed File 
    FILExt  _01  Compressed BIOS File 
    File Extensions  _01  Midiprg Soundtrack compressed file 
    FILExt  _01  Soundtrack Compressed File 
    File Extensions  _02  Midiprg Soundtrack compressed file 
    FILExt  _02  Soundtrack Compressed File 
    FILExt  _1  Audio Utility Tuningwrench Compressed File 
    File Extensions  _1  Audio Utility Tuningwrench compressed file 
    FILExt  _2  Audio Utility Tuningwrench Compressed File 
    File Extensions  _2  Audio Utility Tuningwrench compressed file 
    FILExt  _3  Audio Utility Tuningwrench Compressed File 
    File Extensions  _3  Audio Utility Tuningwrench compressed file 
    FILExt  _8  Audio Utility Tuningwrench Compressed File 
    File Extensions  _8  Audio Utility Tuningwrench compressed file 
    FILExt  _CRYPT  Virus.Win32.Gpcode.ak Encrypted Document 
    FILExt  _DB  Stratum Data Icons File 
    File Extensions  _DB  Stratum data Icons file 
    File Extensions  _DD  CHKDSK repair file 
    FILExt  _DD  Norton Disk Doctor Recovered File (Symantec Corporation
    File Extensions  _DD  Repair file by Norton Disk Doctor 
    File Extensions  _DL  compressed dll file 
    FILExt  _DL  Form of DLL File 
    File Extensions  _DM  Nuts n Bolts Disk Minder Recovered File (Helix Software now part of McAfee
    FILExt  _DM  Nuts n Bolts Disk Minder Recovered File 
    FILExt  _EX  Form of EXE File 
    File Extensions  _H  Adobe Type Manager Japanese font outline see PFB 
    FILExt  _H  Type Manager Japanese Font Outline (Adobe Systems Incorporated
    File Extensions  _ME  Read Me file 
    FILExt  _MP  InstallShield Temporary Installer File (Acresso Software Inc.) 
    FILExt  _NT  Form of NT File 
    File Extensions  _PD  CADDS file 
    FILExt  _RS  RVS-COM Service Pack (Living Byte Software GmbH
    FILExt  _SLN  Visual Studio Solution (Microsoft Corporation
    FILExt  _SLN60  Visual Studio 6.0 Solution (Microsoft Corporation
    FILExt  _SLN70  Visual Studio .NET 2002 Solution (Microsoft Corporation
    FILExt  _SLN71  Visual Studio .NET 2003 Solution (Microsoft Corporation
    FILExt  _SLN80  Visual Studio 2005 Solution (Microsoft Corporation
    FILExt  _SLN90  Visual Studio 2008 Solution (Microsoft Corporation
    FILExt  _SY  Form of SYS File 
    File Extensions  _V  Adobe Type Manager Japanese font metrics see PFM 
    FILExt  _V  Type Manager Japanese Font Metrics (Adobe Systems Incorporated
    FILExt  _VBXSLN80  Visual Basic Express 2005 Solution (Microsoft Corporation
    FILExt  _VBXSLN90  Visual Basic Express 2008 Solution (Microsoft Corporation
    FILExt  _VCPPXSLN80  Visual C++ Express 2005 Solution (Microsoft Corporation
    FILExt  _VCPPXSLN90  Visual C++ Express 2008 Solution (Microsoft Corporation
    FILExt  _VCSXSLN80  Visual C# Express 2005 Solution (Microsoft Corporation
    FILExt  _VCSXSLN90  Visual C# Express 2008 Solution (Microsoft Corporation
    FILExt  _VJSXSLN80  Visual J# Express 2005 Solution (Microsoft Corporation
    FILExt  _VWDXSLN80  Visual Web Developer Express 2005 Solution (Microsoft Corporation
    FILExt  _VWDXSLN90  Visual Web Developer Express 2008 Solution (Microsoft Corporation
    FILExt  _VX  Form of VXD File 
    FILExt  _ZA  CleverZip Temporary File 
    File Extensions  {PB  Backup (WordPerfect
    FILExt  {PB  Backup 
    FILExt  {SA}PROJ  {smartassembly} Project (Cachupa
    FILExt  {SA}REPORT  {smartassembly} Exception Report (Cachupa
    File Extensions  ~$  Temporary file 
    FILExt  ~$~  1st Reader Temporary File 
    Wikipedia  ~$~  Temporary file - 1st Reader 
    File Extensions  ~$~  Temporary file 
    File Extensions  ~*  Temporary file 
    FILExt  ~  Temporary File 
    File Extensions  ~  Temporary File 
    Wikipedia  ~??  Old Backup files (.MNU to .~MN) - Resource Workshop - Borland Delphi 
    FILExt  ~_~  Temporary File (Microsoft Corporation
    File Extensions  ~~  Temporary file 
    FILExt  ~~~  Temporary file 
    File Extensions  ~~~  Temporary file 
    FILExt  ~~A  Ap File 
    File Extensions  ~~A  Application file 
    File Extensions  ~~C  windows/applog 
    FILExt  ~~D  Windows Applog File 
    File Extensions  ~~D  Windows Applog file 
    FILExt  ~~F  Windows Applog File 
    File Extensions  ~~F  Windows Applog file 
    File Extensions  ~~G  windows/applog 
    FILExt  ~~M  Windows Applog File 
    File Extensions  ~~M  Windows Applog file 
&