File Extension ECW

.ECW File

File extension: ECW


Notes about the ECW file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The ECW file type is primarily associated with 'EclipseCrossword Crossword Puzzle'.

Detailed information for file extension ECW:


Primary association: EclipseCrossword Crossword Puzzle

Other applications associated with file type ECW:

  • Enhanced Compressed Wavelet This association is classified as Graphic. The identifying characters used for this association are - Hex: 65 02 01 , ASCII: e Related links: XnView
  • Ensoniq (Waveset Format) by E-MU SystemsThe official corporate site is now combined with Emu.com since being aquired by Creative Labs. The file format stores articulation and sample data used by the software MIDI synthesizer of sound cards equipped with an ES1370, ES1371, or ES1373 chip. These sound cards include the Ensoniq AudioPCI, the Sound Blaster! AudioPCI, the Sound Blaster! PCI64, the Sound Blaster! PCI128, and the Sound Blaster Live!. The file also includes some text describing the file and some mysterious data which seems to be vestigial and completely unnecessary. This association is classified as Audio. The identifying characters used for this association are - Hex: 45 43 4C 57, ASCII: ECLW Related links: Ensoniq-related Webpages, Ensoniq File Format (PDF)
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension ECW click this link to expand/hide the additional area.

System Info for File Extension .ECW

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: GraphicsConverterPro.ecw, FileType: Enhanced Compressed Wavelet, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: IrfanView.ecw, FileType: IrfanView ECW File, AppName: IrfanView

ProgramID: ERViewer.ECWFile
EXEFile: %ProgramFiles%\EARTHR~1\ERVIEW~1.0E\bin\ERViewer.exe /dde

ProgramID: EclipseCrosswordFile
EXEFile: %ProgramFiles%\EclipseCrossword\EclipseCrossword.exe %1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: IrfanView.ecw
EXEFile: %ProgramFiles%\IrfanView\i_view32.exe

ProgramID: IrfanView.ecw
EXEFile: %ProgramFiles%\IRFANV~1\i_view32.exe


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