.ECW File

The ecw file extension is used for Enhanced Compressed Wavelet image format.

ECW is a proprietary lossy compression format, used mainly for aerial and satellite imagery. It was originally developed by Earth Resource Mapping, and is now owned by ERDAS, subsidiary of Integraph.

Many GIS programs support this format and it might also be viewed in couple of image viewers such as XnView.

An ecw file extension is related to Enhanced Compressed Wavelet image file format used for aerial and satellite imagery.

How to open:

Can be opened in several GIS programs such as ESRI ArcGIS, or viewed in applications like XnView or IrfanView.

How to convert:

It should be quite possible to convert ECW graphics to any other bitmap graphics format or even some GIS files.